Velocity Reviews have a new review of the Sharkoon SATA Quickport, which allows you to quickly connect a SATA drive to an external docking bay A quote from the article:

Sharkoon have introduced an interesting product for PC enthusiasts that allows you to plug SATA hard drives into an external enclosure – without the need to screw into a drive bay. It looks just like a HDD docking station, you can plug/remove drives at any time and access the data on your PC via USB cable. As computers are upgraded it is inevitable that spare SATA drives will start to mount up, and yet there isn't enough space to attach them to most motherboards. This solution lets you quickly access drives when required, saving the hassle of swapping drives inside your PC with the power off. You can use 3.5” or 2.5” drives without the need for any screwdriver or tools.

>> Sharkoon SATA Quickport Review