Ricochet, who was that guy I was hearing about with the sick VSR, I think his name was Toastmaster or something? Maybe try asking him.
Also I'd say use .36's. Don't you guys already use .30's in your PTW's anyways? (I'm still using .28's in my AEG though).
I don't think ER hops are totally necessary but you could do it anyways if you want the best but I think all you need is a standard R hop patch from Stealth (Airsoftstore.ca