Do you think Diablo 3 is worth the 60$ to pay for? and i was wondering, can i run it with my current specs on low with decent FPS Amd Athlon XII 645 ATI Radeon HD 4200 8 GB of Ram(DDR3)

thanks, but could you recommend anything within a 100$ budget?

So i have my pc specs are: PSU: AMD Athlon II X4 645 Graphics Card: ATI Radeon HD 4200 RAM: 8GB (DDR3) im probably running a 250+ watts on my computer i can play SWTOR on low settings with decent FPS and was wondering what i could do to improve my FPS also i was wondering if i could run Diablo 3 with decent FPS