These days i'm in seattle to attend the Global MVP summit during 12-15 March 2007.
This Summit is full of Technical Session with MS Product Teams.
For my Competency: Today a attend 2 sessions for LINQ (Language integrated Query) which is availbe as March CTP,you can download it and work with it in VS 05 and which will availabe with ORCAS.
watch these videos for orcas :
start with LINQ video before BLINQ.
LING technology will make a big change in solutions development,and will make ADO.NET out of .Net Development.