Would this work for Dolphin?

[shadow4799]

On this computer, i've been having problems with dolphin. I am looking to buy a new one. If this one doesnt work, then can you suggest another one? (Under $500)

Dell Insprion 570
EDIT: AMD Athlon™ II X2 Processor 240 (2.8GHz, 1M, 2C)
Genuine Windows® 7 Home Premium, 64Bit, English
3GB DDR3 SDRAM - 3 DIMMs
320GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache™
Integrated ATI Radeon HD4200 Graphics

Thanks