http://wss3workflow.codeplex.com/

Lots of posts saying how to customize it, but it shouldn't be done,

Use custom content types instead and point them to a nice custom ASP.NET page instead

http://www.sharepointkings.com/2008/05/how-to-edit-list-forms-like-newformaspx.html
http://sharepoint07.wordpress.com/2008/02/05/customize-the-newformaspx/
http://blah.winsmarts.com/2007-5-Customize_the_-and-quot;NewFormaspx-and-quot;_page_for_a_SharePoint_List.aspx
http://vspug.com/dwise/2007/11/14/lesson-learned-while-customizing-newform-aspx/
http://www.risetime.com/blog/archive/2009/06/03/create-a-custom-newform-aspx-for-a-sharepoint-list.aspx
http://blogs.msdn.com/scaravajal/archive/2007/04/29/sharepoint-designer-and-newform-aspx.aspx

http://weblogs.asp.net/jan/archive/2006/11/06/Custom-Edit-Forms-for-SharePoint-2007-Lists.aspx

http://weblogs.asp.net/gunnarpeipman/archive/2009/06/05/sharepoint-customizing-dispform-aspx-and-editform-aspx-through-browser.aspx

http://nishantrana.wordpress.com/2009/01/30/read-only-field-in-sharepoint-editformaspx/

http://cregan.wordpress.com/2008/05/09/wss-navigation-flyouts-security-trimming-custom-nav-items/

http://cregan.wordpress.com/2008/04/16/web-content-management-allow-reviewers-to-see-drafts-and-nothing-else/

http://dirkvandenberghe.com/archive/2009/12/25/sharepoint-2010-office-web-apps-on-a-single-server-sharepoint-foundation-gt-issues-and-fixes.aspx

http://sharepoint.mindsharpblogs.com/Ben/archive/2009/08/08/Bad-Practice-[hash]1[coln]-Not-using-Solutions-for-deploying-artifacts-to-the-server(s).aspx

http://www.netjmc.net/globally_local/2010/01/sharepoint-human-way.html

http://www.ibm.com/developerworks/lotus/library/domino-sharepoint/?S_TACT=105AGX54&S_CMP=NLLO

http://weblogs.asp.net/jevgeni/archive/2009/12/10/sharepoint-2010-web-parts.aspx

http://www.thorprojects.com/blog/archive/2010/01/10/sharepoint-2010-and-access-services-place.aspx

http://edinkapic.blogspot.com/2009/10/spc09-driving-end-user-adoption.html

http://www.sharepoint-tips.com/2007/02/publishing-infopath-to-sharepoint.html
http://blogs.sharepointhosting.com/Lists/Posts/Post.aspx?ID=73
http://blogs.technet.com/jessmeats/archive/2009/05/11/infopath-forms-within-sharepoint-pages.aspx
http://blogs.technet.com/kailash/archive/2008/03/07/infopath-fronting-sharepoint.aspx
http://weblogs.asp.net/wkriebel/archive/2005/01/24/359669.aspx
http://www.decatec.it/blogs/2007/08/27/Sharepoint+2007+Infopath+Forms+Server+Review.aspx

Sharepoint Designer 2010 - SPD will allow to do more things

http://www.endusersharepoint.com/2010/01/14/workflow-designer-in-sharepoint-designer-2010/

Decatec also has a course for Sharepoint Designer

( via http://siddhumehta.blogspot.com/2009/11/new-features-in-performancepoint.html)

http://blogs.msdn.com/performancepoint/archive/2009/11/05/new-features-in-performancepoint-services-2010.aspx

http://sridharu.blogspot.com/2008/12/sharepoint-alert-customization.html

http://www.chakkaradeep.com/post/SharePoint-2010-Lists-Improvements-e28093-List-Lookups-and-Relationships.aspx

http://blogs.msdn.com/excel/archive/2010/01/11/excel-web-app-2010-overview.aspx

http://blog.henryong.com/2010/01/10/sharepoint-workflow-business-process-management-bpm/

http://www.sharepointjoel.com/Lists/Posts/ViewPost.aspx?ID=286

http://sharepoint.mindsharpblogs.com/Todd/archive/2010/01/08/Some-SharePoint-2010-User-Interface-Terms.aspx

http://www.dotnetmafia.com/blogs/dotnettipoftheday/archive/2009/12/09/enterprise-search-web-parts-are-still-sealed-unseal-them-sp2010.aspx

Content Type versioning, very nice feature ....

http://www.dotnetmafia.com/blogs/dotnettipoftheday/archive/2010/01/04/feature-versioning-and-upgrades-in-sharepoint-2010.aspx

SharePoint 2010 Sandbox Solutions are Bad
http://www.elumenotion.com/Blog/Lists/Posts/Post.aspx?ID=105

Sandbox Solutions are Good
http://blah.winsmarts.com/2010-1-Sandbox_solutions_are_pretty_damn_good.aspx

Followup

http://www.elumenotion.com/Blog/Lists/Posts/Post.aspx?ID=108

http://sharepointdevwiki.com/display/SharePointPlaybook/SharePoint+Declarative+%28CAML%29+vs+Imperative+%28Object+Model%29+Provisioning

via (http://blogs.msdn.com/sqlrsteamblog/archive/2009/11/09/sql-server-2008-r2-november-ctp-what-s-new-in-reporting-services.aspx)

Lots of new stuff for better Reporting Services integration Sharepoint 2010 and 2007 integration

SQL Server 2008 R2 November CTP – What’s New In Reporting Services-

http://blogs.msdn.com/sharepoint/archive/2010/01/08/sharepoint-2010-list-view-blog-series-part-2-using-the-new-sharepoint-lists.aspx

MOSS 2007 Extranet

http://jopx.blogspot.com/2008/05/sharepoint-extranet-topology.html

Sharepoint 2010 Extranet

http://sharepointsolutions.com/sharepoint-help/blog/index.php/2009/10/deploying-sharepoint-2010-extranet/
http://blogs.inetium.com/blogs/spc/archive/2009/10/21/deploying-sharepoint-2010-extranet.aspx

http://blogs.msdn.com/sridhara/archive/2010/01/07/setting-up-fba-claims-in-sharepoint-2010-with-active-directory-membership-provider.aspx

http://www.wssdemo.com/Blog/Lists/Posts/Post.aspx?ID=491

http://fredmorrison.wordpress.com/2009/01/21/initial-thoughts-on-sharepoint-2010-workflow-development-using-wf-40-visual-studio-2010/
http://furuknap.blogspot.com/2009/07/sharepoint-designer-2010-workflow.html
http://blogs.claritycon.com/blogs/bryan_dougherty/archive/2009/10/21/sharepoint-2010-workflow.aspx
http://blogs.neudesic.com/blogs/jason_noble/archive/2009/11/27/131502.aspx