Scott, I think that 76 keys mean a lot more room for your left hand; when I play a song like "A whiter shade of pale" with my SD1 I just move my hand from the right to the left, following a descending bass scale (C, Cmaj7/B, Am, Am7/G, F, Fmaj7/E, Dm, Dm7/C, ecc). With the VA7 I can't do that because if I start with the middle C the highest note falls beyond the split point (in the right hand range); on the other hand, if I change the split point, I feel too limited in my right hand movements.
I guess that's way the organs have two manuals.