There is nice small reserve and lodge off the N2 west of George.
http://www.grgamelodge.co.za/english/index_flash.jsp
I've been to Inverdoorn which is way off the Garden Route and north of Ceres on the N1 --- I liked that one.
http://www2.private-game-reserve.com/en/inverdoorn.cfm
Aquilla is a bit closer to Cape Town but I'd skip that one --- They had an elephant that didn't really want to be there. But as mentioned before this area really isn't ideal for game viewing --- but there so much other stuff to do that more than makes up for it.
About 100 of my nearly 200 posts have to do with this place ---
www.18oncrox.com .... it's a Guest House in Cape Town. The owners really make this place what it is....and they have a new room just added - this room in particular is nicer than anything you would see at a Ritz-Carlton or Four Seasons -- I don't think they have it shown online yet.