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Here are my system specifications:

Processor: AMD Athlon 4600+ Dual-Core (2.4 gigahertz)
Motherboard Version: GIGABYTE GA-M78SM-S2H SOCKET AM2+
Onboard Video card: NVIDIA GeForce 8200
Random Access Memory: 2 gigabytes PC2-6400 Super Talent (running in dual channel mode)
Hard Drives: 74.5 gigabyte Seagate ST380815AS and 74.5 gigabyte Western Digital WD800JB-00ETA0
Optical Drive: Sony NEC Optiarc Black AD-7200S-0B
Power Supply: OKIA-450ATX 450 Watt
Operating System: Windows Vista 32-bit

I used Ubuntu 7.10 32-bit and OpenSuse 32-bit for several months with my old system and it worked great. Then I upgraded my system and have been having nothing but problems installing Linux on this new system. I have tried to install the following Linux operating systems to no avail on the above system:

Ubuntu 7.10 32-bit
Ubuntu 7.10 64-bit
Ubuntu 8.04 32-bit
OpenSuse 32-bit

I want to do a dual boot with Ubuntu 8.04. I am almost certain the error messages I keep getting during installation have to do with my video card. I don't think there are any video drivers with Linux that work with my video card. I would like to buy a new video card, but I want one that is at least as good or better than my current and most importantly works with Ubuntu 8.04. My price limit is $80, and I would like to have at least 512 megabytes of memory on the video card. Anybody know of a video card that works well with Linux Ubuntu 8.04?

I am weary of only using Windows Vista 32-bit. Windows is so vulnerable to malicious software on the internet and I would really like to dual boot with Linux. Am I even going in the right direction to fix this problem?