PC Case and accessories mob "Rosewill" have forwarded on details of their latest "RX251-US" mobile enclosure for 2.5" HDDs. It doubles up as a mobile rack via the available 5.25" and 3.5" brackets to allow it to slide into the front of your case, as well as acting like an external enclosure on the go with its residing USB2.0 interface.
For the complete features list on it, grab this doc file.
The RX251-US is a brand-new idea of the development of the enclosure, the "Mobile rack enclosure", which implies the dual function and dual interfaces. For the home user, RX251-U serves the purpose as a mobile rack. When carried along with, it works like an external enclosure. Mounted in desktop PCs, the insertion bay is the entry for the mobile rack for file transferring. 5.25" and 3.5"brackets are available for flexibility. It is definitely a perfect replacement to traditional 3.5 diskette drive. With SATA interface both in external enclosure and insertion bay, the RX251-U can speed up to1.5Gb/sec data transfer at home use. As an external enclosure, RE251 can be timelessly attached to any PC or notebook through USB2.0 interface which can speed up to 480Mb/sec.