ok i've already decided to upgrade to the 750lb bag. my questions... has anyone ran just one on the left side for surfing and if so does that mess up your wake if u wanna run both sides for wakeboarding? and also tsunami pump you guys talk about is it necessary to have or is it just a bonus to help the bags fill quicker? i don't mind if it takes a little longer to fill them cause i can do that while we get to our spot on the lake. i plan on getting new fittings for them too anyone know off hand what ones i'll need for an lsv?