Wheels. They're wheels, not rims. A rim is a portion of the wheel. Those are some pretty weak offsets.
htto://
www.rimtuck.com/
What wheels were you looking at?
Here's a 9.5+15 in the rear. The ones you are looking at would be sunken in by about 2 inches. Even this 95+15 isn't super aggressive. Yours would look very sunken.