In the past I attempted to "wine", not for a Linux machine, but for OS X (a Unix based OS, too), though not Linux. I also tried to install Creo within a Virtual Machine. Never got it to work. I suspect that even if I could surmount all the hardware emulation difficulties (graphics, handling all the licensing communications, etc.) it would likely be very clunky.
I did what you might have already done, too, in that I checked on the Wine site as to what they had tested and all that for Creo. Unsurprisingly, the current rating for using Wine to run Creo 9.0 is "Garbage". There's insufficient interest in doing so for enough people to suffer through all the testing they'd need to do to get it to be acceptably functional. If that's even possible.
