I have a Dell XPS 400 pc that i bought in June last year. I know that Dell aren't the best for upgrading but I was wondering if anybody knew if i would be able to install a Core 2 Duo (Most likely an E6600) in mine. From what I can tell the model of the motherboard is 0fj030. The processor i currently i am running on is a Pentium D 940 (3.2GHZ). I didn't find much in my searches of the internet but these forums seem to have a very knowledgable user base so thanks in advance for your time.