Haha, but seriously... I have chosen the wheels to pick on in this particular instance, but my general rules for guidance, when somebody is looking at a used car -- is to stay away from modded cars. Why risk it?
I dunno though, if you feel good about the car from the picture (does it evey say if its auto or manual?!? -- am I blind?), then call him, do the usual thing -- does it have all the records, is he the 1st owner of the car, any accidents (clean title doesnt mean no accidents -- just means it wasnt written off)
I wont buy a used car, unless it was a one owner car, or I know the history of the car and the previous owner.
check tires and brakes too, this car is definately worth spending 100 bucks or so, getting a thorough inspection done somewheres (obviously, only do this after you've driven it, and are satisfied iwth the drive)

So yeah, I'll quit raggin' on this poor cars wheels. :P