>>UAC.
>
>Only really an issue when setting up the PC. Since then, I hardly see it. UAC is there for a very good reason and it does provide better security, less chance of malware getting in. That said, I'm looking forward to UAC changes in Win7.

I've probably had the Administrator prompt come up 10 times this morning. Pretty normal morning.

>
>>Network speed.

Identical machines. One Vista Ultimate, one XP Pro. Try to copy a 500Meg file across a lightly used 100MB LAN - XP takes about 1/3 the time.

>
>Dunno. Seems fine to me.
>
>>Zip speed.
>
>WinZip works like it always has.

Native Zip functionality in Vista sucks eggs through a straw at best. Native Zip in XP worked fine.

>
>>Speed.
>
>I see a common thread here.

You bet.

>
>>
>>Application incompatibility (due to security changes - not due to OS architecture).
>
>Right. Not Microsoft's fault. They've been telling us for years to run as Standard User. We all just ignored the advice.
>
>>UI changes simply for the sake of changes.
>
>I think some are good, others are eh. But I recall people upset with changes in XP too. Even more changes are coming in Win7.

Yep. Gotta see if different candy will help sales.

>
>>Additional hogging of resources over and above what XP hogs (now with less performance).
>
>Are you comparing XP and Vista running on the same hardware?

Yes.

>
>>
>>Just the top of the list.