It's a tough situation mate. I was fortunate enough to get a GT wheel for under $400, but that was one of the last ones being sold by Ford.
My suggestion is to relocate the cruise control buttons to the dash, and then buy an aftermarket steering wheel of your choice.
Jack Travis, E-Series Acting President
1989 Ford Fairmont Ghia turbo/GL replica (underway)
1994 Eunos 800M
1990 Ford Laser S