you will most likely find muscles ache in the wrists and lower back at first , but use will aleviate this (it's just discovering muscles you probably aint used before)
as to the cables with risers some careful rerouting may be sufficient but i do not know what the helis are like in that respect .
if you go to the main site I am sure john our admin put some sunrisers on his SVS curvy with some gentle rerouting go read to make sure