I was mad to find out this computer only had PC133 RAM in it. =/
So let me lay this out for you.

Current computer: (HP Pavilion 7966)
Intel Pentium 4 1.7GHz @ 400MHz FSB 256KB cache - mPGA478b (Socket 478)
2x256MB (512MB) PC133 RAM with one extra slot available.
ASUS P4B-LA Motherboard w/ onboard audio, LAN, AGP 4X, USB 1.1
Texas Instuments IEEE1394 Firewire OHCI PCI card
Sound Blaster Live! Value - One of the older models

New: ATI Radeon 9200 SE - 128MB DDR - DirectX 8.1 - AGP 8X

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So I decided it was time for a partially new computer. I couldn't find a motherboard that used PC133 RAM with a P4... which was kind of odd to me...
I was just going to swap out the motherboard so I could get AGP 8X and USB 2.0... but of course it's not that simple.

I decided I was going to order stuff from TigerDirect.com. I picked out this barebone, because I don't want to buy a new processor... and I can put my current one in it for now... and get a 3.4GHz one later:

http://www.tigerdirect.com/applicati...Tab=2&NoMapp=0

So everything except the RAM checks out...

Suddenly I have to decide PC2700, PC3200, DDR, DDR2, Dual Channel, Overclocking... ARGH

I want to get 1GB of RAM for ONE slot. Because that is the max you can have in one slot. I will fill the others when I get the 3.4GHz in 2006. I assume PC3200 is what I want... but what about that overclocking and Dual Channel stuff?

I can only spend about $400 and that case is $170... so that leaves about $230...

I want the best RAM I can get, btw. If you know any sites that are cheaper for memory let me know.