Here is how you can use vista for upgrading

[dhavalg]

http://mahmood1.com/upgrade_pocket_pc_ruu_in_vista.aspx\

The above link informs step by step instructions how to upgrade using vista..
ENJOY

[NDUTU]

VISTA 64 Bits DO NOT work with this.

Is there a Vista 64 driver any where?

[dhavalg]

sorry on that bro.
i dont know much about it.