Purely from a player perspective…
inetBet would be my first choice. I’d add Bodog and Club World although the latter has a low weekly cashout limit, but all 3 have a good rep among players which counts for a lot although iNetBet and Club World do negative carryover too – Bodog may, can’t remember. Behind these, 49er, Sci-Fi, Breakaway, Geisha and Solomons.