If you have not already, it's time to go over to Microsoft and download a copy of Windows Vista RC1!
InstallShield 12 has put a lot of thought into Vista. I'd get it if you haven't already.
As a personal aside I recently purchased a Gateway MX6920 laptop from BestBuy for $799. Sporting 15.4" WXGA, 1.6Ghz Core Duo, 1GB of PC4200 DDR memory, Intel945GM graphics, 120GB 5400 RPM HDD, Dual-Layer DVD burner, 802.11a/b/g Wifi, USB 2.0, Firewire and 4-n-1 memory reader really runs Vista nicely. I could have spent less or more for a laptop but I think this is a pretty good sweet point for now.