>I don't know, but it certainly does tell any prospective>purchaser that FSX will run better on Vista.>The fact that many posters here are reporting lessened>performance on Vista though (I haven't re-installed FSX yet>after having upgraded to Premium), surely would lead to>concerns and issues among users.......but I think the idea Microsoft has, is that over time, FSX will indeed perform better under Vista. I think that is a "reasonable" expectation Microsoft has, given the theoretical benefits of DX10 in the performance area.RhettAMD 3700+ (@2310 mhz), eVGA 7800GT 256 (Guru3D 93.71), ASUS A8N-E, PC Power 510 SLI, 2 GB Corsair XMS 2.5-3-3-8 (1T), WD 250 gig 7200 rpm SATA2, CoolerMaster Praetorian case

So it's actually "Designed for Vista and XP". ;)

>>I don't know, but it certainly does tell any prospective>>purchaser that FSX will run better on Vista.>>The fact that many posters here are reporting lessened>>performance on Vista though (I haven't re-installed FSX yet>>after having upgraded to Premium), surely would lead to>>concerns and issues among users....>>...but I think the idea Microsoft has, is that over time, FSX>will indeed perform better under Vista. I think that is a>"reasonable" expectation Microsoft has, given the theoretical>benefits of DX10 in the performance area.>>>Rhett>If that is indeed what is meant, then there should also be a caveat, a footnote, stating "After service packs/DX10 upgrade and with suitable DX10 hardware"As it stands, right now, the statement implies that FSX is a better product if installed on a Vista PC - right now!I'm not trying to start arguments, but I do feel that the statement is a little rash, and bound to mislead users; I'm sure that Microsoft were not intentionally trying to fool anyone, but it would not have been open to different interpretation if it merely stated that FSX works on both XP and Vista!