I am Not a Geek dot com has posted a review on the USB-IDE HDD Kit

First problem I see in the stats is the transfer rate, 900KB/sec is pretty slow for a hard drive. For example all new IDE hard drives are ATA-100 which is 100MB/sec, which is over 100 times faster then you can use your hard drive at with this kit. This is more of a limitation of the USB 1.1 standard then it is this kit. When USB 2.0 becomes more common there will probably be another revision of this product that can take advantage of USB 2.0. USB 2.0 can handle speeds up to 480Mbps instead of 12Mbps

Read more