Don't let the price fool you, this is very good quality ram for the price. I bought these to replace two faulty OCZ platinum ram and it runs nice and fast. I cannot tell the difference between the two so I'll be buying cheaper branded ram from now on. Default memory timings are as follows: 5-5-5-18 @ 1.8v and comes with a 10 year warranty. Overall, very good quality ram for the price.
I bought this to increase my RAM from 2 to 3Gb, and I have to say it's very good. It's a well known brand (PNY), and seems very reliable and well made, maybe even more so than the sticks that came with my PC originally. For under eight pounds with free postage, you can't go wrong! It's cheap, quality and easy to fit so get some now.