>Curious, since if you dig through the .NET docs, the thread model for CLR components seems tied to one of the .NET resource classes, implying at least that the threading model resource is subclassable directly through a CLR language construct. Maybe I'm mis-reading the docs, but it reads like there's a threading resource...

I'm sorry, what was clear in my head obviously was not clear in what I actually typed. I was referring to VB6, with my reasoning being that with the CLR, VB7 gets a lot of stuff that comes along for the ride, such as object pooling. VB6 objects can't be pooled because, like VFP, it uses apartment model threading.