Yes -- I use a laptop(Netbook, AcerOne running XP) to control my ETX 90 via usb serial cable and with a bluetooth connection wirelessly.
There is a LONG thread in the Software Topic about bluetooth telescope control.
-------------------- LX90 8" LNT, SV Nighthawk & TelePOD, ETX 90, Orion XT10i, SV 80/9d, 20x80 binoculars www.texasastro.org "The secret to creativity is knowing how to hide your sources." - Albert Einstein