The Q8000 are horrible processors they dont really overclock that well but they are cheap and thats why alot of OEM systems have them If you can get a Q9xxx would be better but thats only if you already have a socket 775 system. If you are buying new or building a new system get the I3 it can OC well into 4ghz with no trouble at all and are ver solid performers and it will also be cheaper then a Core 2 Quad.
I am NOT
The core i3 may be cheaper , but the motherboard that is required is way more expensive !!