Upgrading PC, Graphics media accelerator

I've never built a pc before just for gaming, only for business.  Recently I purchased a dell with 2gigs of ram, and a 3GHz Pentium 4 HT.

However, it uses Intel Graphics Media Accelerator 910GL Chipset instead of a normal video card setup, so if i'm looking to replace this, am I going to have to replace practically everything?  This is all new to me.

Thanks for any help / humorous insults, ill get the ball rolling "loldell"

all you have to do is stick a video card in it. assuming you have either agp or a pci-e slot.

Don't buy one card or another because of how many gazillion megs "is it". Go to Tom's Hardware (tomshardware.com) and check performance tables. Then compare performance to prices, and get the best performance to price ratio inside your desired performance and price range, and out of the cards you can use or want to use (I recommend sticking to nVidia because of drivers and stability). It takes time, but it's worth it.