I tried to set it as a variable a couple weeks ago, thinking it would simplify that little brain teaser someone posed on ADC's forum (that I used the Drum instruction on instead (that was acting quirky due to my not clearing the simulator memory.))
Anyway, I posit that it would be cool to skip the memory location for a timer's variable preset and simply be able to write (or read) T0.PRE because it would be cleaner.
Well, it would, but I realize it is probably one of those "all you gotta do" type requests.