There is an EVGA one at Newegg for
$39.99*.
Memory 256MB
Memory Type GDDR2
Memory Interface 64-bit
Memory Clock 533MHz
Core Clock 300MHz
4 Pixel Pipelines
Note: * means it is $39.99 after rebates, it is $49.99 without rebates.
I use a Radeon 2950 64mb on my eMachines, it cost me $29 and supports Widescreen resolutions, its a great card for the price.