I've used both UB and Absolute on a Mac and they are exactly the same. Are you talking about AI pots when the flop, turn and river get shown straightaway and then there's loads of time between hands because those on a PC (I've played the PC ones too) are waiting for the hand to be played out? Cos yeah that's a bit crazy! I found the play at Absolute (and UB, obviously) to be pretty soft and tight – allowed me to build a fairly decent roll before I decided that there weren't enough tournaments running throughout the day so moved to PokerStars.