Tammie,
That specific motherboard is 2002/3 technology ...
I dunno how much "tech-speak" you understand but ... a year ago they were knocking the CPU that is included in the one you are looking at:
http://episteme.arstechnica.com/groupee/forums/a/tpc/f/77909774/m/515002367731It is built in a low end case with a minimal, generic, powersupply ...
No Operating System, but if your current system is fried, you can legally load the OS from that machine into the new one.
Basically "Socket A/462" was cutting edge technology 5 or 6 years ago.
For $285 you cannot expect much, but people who need to do more than just surf the web should expect to pay more than $285. In other words, if what you are looking for is something to surf the web with, it'll do fine, but if you want it to do more ... it's not enough computer.
I don't wanna rain on your parade but if I needed to do anything more than surf the net, I'd look at newer/faster/more ...
Keep Smilin'
John