Computer Help!!!!

I am currently saving up for a new computer. The stats on my current computer are as follows, (it's 3 years+ old now).

2.07 gigahertz AMD Athlon XP
128 kilobyte primary memory cache
512 kilobyte secondary memory cache

512 Megabytes Installed Memory
Slot 'DDR1' has 256 MB
Slot 'DDR2' is Empty
Slot 'DDR3' has 256 MB

80.02 Gigabytes Usable Hard Drive Capacity

NVIDIA GeForce4 Ti 4200 with AGP8X [Display adapter] - 128MB

17" 9MS Response Monitor

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The Computer I am looking to upgrade to;

3.4Ghz Dual Core Processor (Intel Pendium D)

NVIDIA 7600 Graphics card - 256MB

200GB SATA Hard Drive

1GB of RAM

19" TFT Black 5MS Response Monitor.

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How much would my new computer roughly cost? I know the Monitor would be around £150/$300(for you Americans ^^)

Have found a nice computer on eBay, like this. But still need replies!

Uh, look it up on ebay, newegg or some other PC parts site? Would be the best place to start imo.

Go to Newegg.com and search for each individual part including all the extras that you will need, such as the case, etc. Also, are you building it yourself, or are you purchasing it prebuilt from a company?

Forget about Newegg, the OP is over here in Canmbridgshire. The best place for them to check out would be www.overclockers.co.uk and by no means buy a PC from fleabay.

Over here in the US, the 3.4 GHz Pentium D is about the same price as Intel's newer and far superior line of processors, the Core 2 Duo E4300 or E6300. I see no reason to pick an older, slower, and less energy-efficient processor if the price difference is negligible.

1 GB is the minimum for a new gaming machine; 2 GB would be ideal if budget allows. The 7600GT is a good graphics card to get since it offers quite a bit of performance for your money. When the DX10 video cards drop in price (and when the games come out), you can upgrade without wasting too much money on a DX9 card.