|www.rodneybeede.com||"I would love to change the world, but they won't give me the source code" - unknown|
I found a nice tool called Hot Swap that adds an additional eject icon just for your eSata drives. It checks that the drive isn't in use, flushes any caches, and spins the drive down.
Download it from http://mt-naka.com/hotswap/index_enu.htm.
I've tested it on Windows 7 Ultimate 64-bit RC.