get the better one you can afford, at least the msIIv3.0, it's what i'm running and pulls very well.
errrmmm, yeah 12v to tps would kill it lol!
tired when typing.
nowt wrong with M-tech so i've heard these days, no experience myself so won't comit eitherway in the M-tech slagging on efiextra.com, as far as i'm aware that was bad builds a long time ago.