Somebody_Else says:

All my machines are already running Vista, so I’m not in a hurry to push the upgrade on most of them. Vista already has all the security benefits, and Vista has been faster than XP on most hardware since before SP1 came out.

There are a few things that 7 is awesome for, low end machines, some older chipsets, and HTPC’s. 7 seems to be really well optimized for the Intel 945 chipset (a common platform for early Core 2 notebooks and all of the Atom based netbooks). My Sony Vaio SZ runs better with 7 than it ever did with XP or Vista.

On the HTPC front, Vista Media Center was great, and 7 media center continues to improve on it. I have a Hauppauge PVR 2250 in my HTPC. It has two combo analog/digital tuners built in. With VMC I had to choose between using the analog tuners to record basic cable or the digital tuners to record unencrypted clear QAM channels (or over the air digital, but I don’t have an antenna). 7 Media Center can use both, and the digital clear QAM channels show up in the guide along with the regular cable channels. Cool stuff.

I’m still using Vista on my main desktop for the time being, but I’ll be upgrading before too long. I like the new taskbar and the performance improvements nice (though they’re pretty minor).