Why not buy FPSC X10 now and install it on your current PC?
You wont be able to run it but you will have all the media available to copy into your X9 folder. Then when you do upgrade your PC, you will already have FPSCX10 ready to go
You will have to edit the .fpe files aswell. But that should be just a case of copying the AI sections from an FPSC character into the new ones.
It works as you can see from the screenie below which was taken in FPSCX9. They don't look nearly as good without the specular and normal maps but they still work.