Maybe not certified, but I took the 70-441 test today and I thought it was relatively easy. The format was also quite a change and I did like that.
Look for some writeups coming soon on the site, but I wouldn't cram and worry too much about upgrading the development side of your MCDBA.
Steve Jones is the editor of SQLServerCentral.com and visits a wide variety of data related topics in his daily editorial. Steve has spent years working as a DBA and general purpose Windows administrator, primarily working with SQL Server since it was ported from Sybase in 1990. You can follow Steve on Twitter at twitter.com/way0utwest