Turn and Bank - RC Allen vs Electrical Gyro Corp

I need to buy a 3 1/8 inch electric turn and bank for the RV-8 I'm
building. Aircraft Spruce sells two, and I'm wondering whether there is
any reason to pick one over the other, other than the small price
difference.

Does any one have opinions on the performance and reliability of the RC
Allen 56-3B vs the Electric Gyro Corp 1234T100. I'll probably call a gyro
overhaul shop tomorrow to see if they will tell me anything useful.

I'll fly some IFR, so I want a trust-worthy instrument. I'll also fly a
fair bit of aerobatics, so I want one that is robust and overhaulable at a
reasonable cost.

--
Kevin Horton RV-8 (finishing kit)
Ottawa, Canada
http://go.phpwebhosting.com/~khorton/rv8/
e-mail: khorton02(_at_)rogers(_dot_)com