I can vouch for the syncng of the sequencer/DAW.
SMPTE and midi time code still apply.
If tempo is known it is easy, and if it isn't, one of the strong features of RB is the ACW which not only analyzes chords, but also tenpos, allowing one to rewrite the tempo map for syncing if necessary.

You are right- the drums are indeed a stero mix, but the ones I've used were recorded well enough that with proper EQing you can do a lot with the kit mix.

I do not work here, but the benefits are still awesome
Make your sound your own!