Originally Posted by
Thorbjorn
You can never go wrong with a class that has both tank and heal on it, since tank/healer are easiest roles to gear and most searched for when raiding. Prot + Holy pala would be a decent choice.
You can't transfer gold crossfaction. Only thing you can do is buy expensive mats and then sell them for 1 copper on neutral AH, instantly buying it on the other toon.
Whether it's worth to switch or not, I can't really tell ya since I've played only Horde on Lord. I can tell you what others have told me - Horde is more active PvE wise than Alliance is.