I currently have a Dell Dimension Series Computer (about 4 years old).  The specs are: Intel Pentium 3 1Ghz processer, 384 RAM, a 20 Gig hard drive, and a nVidia GeForce 2 MX/MX 400 Graphics Card.  I want to play relatively new games (not neccesarily the most cutting edge).  I have three questions.

1. Can I install a new graphics card on my computer (I know that when you buy computers from Dell, sometimes things, like the processor, can't be upgraded.) So I am not sure if this is possible, and if so, how hard it would be.

2. Is it worth it to upgrade my computer or to buy a new one.  If I were to upgrade, I would only be looking to spend around $200 ((I was looking at a nVidia Geforce 6600GT Graphics card and 128 more RAM).  But if it costs over $300 to do a decent upgrade, then I might as wel
l buy a new computer.

3. This kind of goes along with the previous question.  How much does the processor have to do with performance and ability to run a game.  What I mean is, do a decent graphics card and RAM make up for a low end processor such as mine.

Answers to these questions would be greatly appreciated.

-Jeremy

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