Please do not use the upgrade path - to say its a pain is an understatement. You'll find search wont work correctly (even after reindexing everything you can think of). Some of your folders wont work and it does weird things (unless its just me, which wont be too much of a surprise)
Please do a data move to a secure location, full install after wiping the beast that is Vista off, and put your data back manually.
Been in a big row with a microsoft admin for the last 2 days about this, they dont like me no more lol......
Wurzel (ymmv, but probably not)