The previous specs were a 1/6hp compressor and a 120mm condensor, no sign of a suctionline heat exchanger or "desuper heater" (quotes becuse its just a tearm, there isn't such a thing in a single stage system its just an extra condensor that isnt designed as well as the primary)
That infromation alone tells you that your condensing capasity is too low for high heat loads, you would want to use the system on a low heat produsing component. 150-180W of heatload would pull it down to temperatures that most would be disatified with for more then the cost of quality watercooling. And OCZ found out the hard way by trying to make it work then having to re-engineer the thing, reaserch is a good thing IMHO.
As I said, It would be nice to get the new specs.