Hello. I have an esata expresscard with my macbook pro and a western digital mybook 500. Oddly enough, I am only getting around firewire 400 speeds on it instead of much faster, as I think I should. On xbench I get about a 54 overall on esata and a 53 in firewire 400. In hd tune (bootcamp), I get 39 average esata, 34 average firewire 400. Supposably, I should be getting 80+ average at least. I've installed the drivers that came with the expresscard from their site. I have a http://www.newegg.com/Product/Product.aspx?Item=N82E16839200006 Thanks!