No question use the bike!! so much fun to model, paint and play with. If he gets shot to much toss in the Nob bike bodyguard of at least 3. I use this unit all the time it has victimized entire armys of marines buchered poor ass tau, and even once beat Old One Eye in hand to hand. I was so happy I jumped around the room. If you go with this unit and you are lucky enough to play againt the Dark Eldar, just watch the warrior and wycth bodys get tossed around the board. (look out for Wraithgaurd keep away from them those warp guns total mess up the bike unit, other than them dont be afraid to take a round of shooting if it gets power claws into melee a dead or wounded nob is a nice trade for a crushed enemy unit)