If you've followed my blog for any length of time (lately it's been kinda dead), you know I'm pretty fired up about LINQ. Actually, I'm pretty excited about WF, WPF as well as LINQ. After struggling a little and figuring some of the stuff out, I'm cautiously optimistic about all of the new technology that's forthcoming. Although, for a simple application I can be pretty darn productive writing T-SQL in stored procs (not that I'm implying the LINQ is limited to database queries because it sure isn't) compared to writing predicate expressions using LINQ or the LLBLGen object model for example.
Anyway, be sure to check out the following blog post:
http://blogs.msdn.com/mattwar/archive/2006/05/10/594966.aspx