Hi,
Trumpeter are releasing an R/C version, although I still think all running gear, suspension, tracks, etc are all plastic.
Some guys in the states had one as a test version and managed to R/C it, although due to its light weight, it sort of bounces around a bit too much.
I know the turret traverse and gun elevation are the things holding up the final R/C version and think it is still around a year away before release.
If you were going to buy the static kit to R/C it, I would suggest trying to make metal suspension arms, etc to try and toughen it up a bit, I think after a week of running as all plastic many parts would break.
And,..Ahem....if your gonna R/C it and do not use the interior detail parts,....I can think of one person who would take them off your hands