Dear DrewQ45,
I'll let you know if I find some nice G50 gray leather front seats. They are tough to find without damage. I stumbled across a totaled Q that the insurance company had scheduled to be picked-up by the scrap yard. I got the carte blanche to strip whatever I wanted. So, I pretty much took the whole interior.
Have you considered restoring your seats? Strip them down, fill-in the cracks and then redye them. It is time consuming and would put your seats out of commission for a couple days, but you can have the dye color matched easily enough. I would estimate less than $200 in materials.
If your current seats are solid, at least you know what you have.
Should you have any damaged panels or piping, just repair it, regardless of color, before you redye. You'll never notice the difference.
See:
http://www.leatherique.com/
JD