My guess is that it will work perfectly fine. Imation CD-Rs are made by CMC, and I have some old 40x SpinX CD-Rs (made by CMC) that burn fine in my 52327S at 52x. The quality isn't great with firmware QS08, but it is fine (C1 Max=26, C1 Average=1.773, no C2) with firmware QS09.
At the very end of the burn (if I burn a completely full disc), Smart-Burn forces the drive to slow down a bit, but based on my KProbe scans, this doesn't affect the burn quality much if at all.
![:D](http://cdrlabs.com/forums/images/smilies/icon_biggrin.gif)
Then again, the only discs I've burned at 52x where this doesn't happen are my TDK 40x discs (which are made by Ritek).