I can vouch for ESS. I've had my VT2-600 for over a year now and no issues at all. Daily driven including the snowy winter months. I'm close to Toronto in the Hamilton region so if you're down here perhaps I can give you a ride!
2011 M3 ZCP | ESS VT2-650 | AKRAPOVIC EVOLUTION | 19" BBS Fi | BREMBO BBK | Future: M4 Competition Pack!