Lately, I want to replace my old boot HDD, which has begun making a strange noise, with a new boot drive. But I am confused to choose between a new HDD or switch to an SSD. At first I did not think about replacing my old boot HDD with SSD at all, but after I watch this video, I became interested in using the SSD: http://www.youtube.com/watch?v=-sA0zmhW7Fg My first question is: Is it true that using SSD can shorten OS start-up time? And: What brands and types are recommended to maximize speed? I had heard about Sandforce SSD from my friend, is Sandforce SSD a good SSD? Thanks before.