Pros: 2GB per stick, good heat sink, low profile, good timing, can run at 4-4-4-12.

Cons: 1 pair was DOA, requires 2.1V min to run at 5-4-4-15 so not all motherboard can support it. Be sure to use in motherboard which allows to configure voltage.

Overall Review: 1st I have Ord Duo CPU cooler which makes impossible to use high-profile memory because it cover memory slots with one of the fans. So this memory works best in my configuration. Second I had to bump voltage up to 2.4V to make 4x2GB configuration run smoothly on ASUS P5N-E motherboard. This can be a MB problem or memory controller problem or BIOS issue. Anyway, 2x2GB @ 2.1V run fine. Adding another 2x2GB causes all king of crashes. After a few evenings I figured out that 4x2GB config causes voltage to drop from 2.1V to 1.8V approx which is too low for those RAM sticks. After gradually increasing voltage I came up with 2.4V. RAM is stable now, no overheating. I assume 4 stick draw to much power which causes memory voltage to drop. But it's not RAM problem, it's MB problem.

Pros: BT remote control, small

Cons: not reliable at all, life time 3 month

Overall Review: I have a second unit that dies with the same symptoms as the 1st one. Gradually WiFi connection degrades, at first you can't want HD content and UI gets slower and slower, then streaming start takes forever and stuck with the lowest video quality, and at the end Roku can't connect to the network at all. I was lucky that the 1st unit died in the warranty period, 2nd replacement unit died a week after its warranty expired. 3 months warranty is a joke. Roku never updates its firmware and just release a new version of the player instead, I guess it the way to motivate you to buy the new model. Well, for me this was my last Roku product I ever bought.

Pros: Very quiet, comes close to 2x9800gx2 performance-wise at a fraction of power usage, best price/performance ration I've seen.

Cons: There is around 50% chance that you'll get a "lemon", I have one card running already just fine and wanted to get another for crossfire. So far I've tried two cards and both were much lower built quality (look how capacitors are soldered in) and was giving me all kind of troubles. Still looking for another good one.

Overall Review: Try it out, if it does not work for you return. If you get lucky keep the card and you'll be happy with its performance for sure. And Sapphire should fire its quality assurance department for sure. Good and lemon cards are the same P/N-wise, it's just looks like some are put together by professional techs and other by wannabe electricians :).