Quote - A 64 bit OS isn't any faster than a 32 bit OS

But the hardware is more capable in terms of moving data around -- potentially -- with applications that know how to take full advantage of it, but not Poser -- unless you're talking Poser 7 Pro ... which has "issues" ...

Quote - I do assume you will be getting Vista, make sure you set it up properly as too much added eye candy can eat away a lot of this gain in power without actually adding any functionality.

Absolutely. Many services are active by default that you probably won't need, and then there's the Sidebar and DreamScene ... ugh!