Windows 7 Upgrade Advisor is telling me my current graphics adapter won't support the Windows Aero user interface. It's telling me to contact my PC manufacturer to see if there are any upgrades available. What does this mean? Call Dell?? Should I just go out and buy a new graphics card? If so, which one? (I am currently running XP.)

It's also saying I only have 512 MB of RAM and I need at least 1 GB for 32-bit Windows 7 for optimal performance. Is 512 MB how much space I had to begin with, or how much I have now since I loaded so much stuff onto my computer? Not sure what to do about this one, either.

Thank you for your assistance. I just found this forum. I bought Windows 7 yesterday and have been dealing with the aggravation of backing up my entire system for 3 users and finally got through the difficulties of that, only to see now that I can't just install W7.