I will share you my plan after modifying it by your contributions
(this answer make use of all these guys efforts: olavk, Constantin, Pulsehead,Pete Kirkham,mrdenny,so-tester,CraigTP,Michael Buen)
1st iteration: (the hardest one) Find 2 samurais
• Choose a teacher: from your submitted 180 blogs url I've to choose the most one I will learn from him (Please help choosing teacher even if not from @mrdenny submitted 180 blog list)
• And have a colleague: I have to find another guy that want to be better database developer (any volunteers? warning: the mission is 12 month long)
2nd iteration: Changing old habits & Back to basics
• T-SQL over Management Studio
• MCITP: Database Developer
• Head First SQL: Your Brain on SQL
• The Guru's Guide to Transact-SQL
• Joe Celko's Thinking in Sets
for Relational algebra, normalization, logical versus physical tables, (suggest more please)
• Subscribe to SQL Server Magazine
• Start blogging about my database development junry
• Start engaging database communities like stackoverflow[database tags],
sqlpass.org , sqlcommunity.com, (suggest more please)
3rd iteration: Start walking, looking around and making some noise
• Applied Mathematics for Database Professionals
• The Art of SQL
• Expert SQL Server 2005 Development
• SQL Server 2005 T-SQL Recipes: A Problem-Solution Approach
• Start looking at database samples like xTuple.com, openbravo.com, Sql Server 2008 database samples, ASP.NET Starter kits databases (suggest more please)
• Trying to write some articles for MSDN, Sql Communities, Sql Magazines
• Start making video tutorial and publishing it
4th Iteration: Make a dive
• Database in Depth: Relational Theory for Practitioners
• Microsoft SQL Server 2008 Internals
• Inside Microsoft SQL Server 2008: T-SQL Querying
• SQL Tuning
• Start making podcasts
• Start using tools for profiling, performance monitoring,…
5th Iteration: Design and putting my knowledge into test
• Beginning Database Design: From Novice to Professional
• Data Model Patterns: Conventions of Thought
• Pro SQL Server 2005 Database Design and Optimization
• Refactoring Databases: Evolutionary Database Design
• Start special focus on assessments, challenges, interview questions,….
Please if you have any thing that can enhance this plan, don't hesitate to mention it or even editing this answer if it possible