Go to the pic-a-part armed with your socket set and tape measure and grab a nice pair of leathers. Or find a nice little used part retailer that goes out and pics them for you. I just grabed a set of good quality '05 mustang seats in black leather for $120 for a freind of mine.
We've got a nice little section of town filled with scrapyards, and in the same area you will usually find little places that specialise in seats, dashes, headliners ect. They go out and pic the best ones and keep them in stock. Find a little shop like that, measure your seats, head down there and find yourself something nice. Quality leather seats last.
I think I'm gonna head over there and tell them to call me when they find some C5,C6 or Z06 seats they are hiback and look close to the stock seats in my s130.