I have a Gem 610 and am satisfied with the performance.  I do not reccommend the unit if you wish to download flight data. Insight Avionics is MOST UNRESPONSIVE to any questions about downloads unless you buy their required HP 200LX to read from the GEM.  It was initially a "flip of the coin" in deciding between the JPI, GEM, or EI.  My mechanic recommended either the JPI or GEM.  It is unfortunate that, as I wanted to develop a software package for my tablet PC to read the GEM, that I choose the wrong unit.  Pre-sales questions led me to believe that reading from the unit was "a trivial exercise".  Foolish of me not to know the trivial exercise required the purchase of proprietary software and ancient hardware. (As if I need ANOTHER piece of equipment in my flight bag!).  Insight has refused to provide any support.

EGTrends (www.EGTrends.com) has a palmtop based package that will allow you to dowload flight data from the JPI or the EI units.  If you think you will want to download flight data, call the folks at EGTrends and talk about your goals.

I think that you really need to question whether Insight Avionics will provide adequate support if there is a problem with the hardware.  My experience is that they were not very honest about the pre-sales questions.

I agree with Richard 100% after seeing the exchange on the CPA forums, JPI would be my last choice.

I had the opportunity to talk to the factory reps (E.I., GEM, JPI and others) at Sun 'n' Fun 2004.  Subsequently, I installed an E.I. UBG-16 with the data module on my C172N. I've run it about 100 hours. It's a fine instrument, performs well, and Matt at E.I tech support has been outstanding.  (I have had no problems except that the mechanics at my FBO reversed all the EGT and CHT leads.  Matt at E.I. identified the problem over the phone in about 3 minutes.)

I have 16 channels for data (4 EGT, 4 CHT, OAT, OT, OP, MP, FF, Carb Inlet Temp, Volts & AMPS. It also calculates shock cooling.  The data module holds up to 600 hrs of data at minimum sampling rate or 11 hours if I want to sample every few seconds.  Data downloads to my laptop.

One of the best values around, I bought mine at Sun'nFun. After rebates, I paid $1650 for a new unit with all the probes and the data module.

This is the only engine monitor I'd recommend for an older certified aircraft.  The other engine monitors are not certified, too expensive, or lack vital features.  The E.I. UBG-16 does it all, at a price that will allow an owner to recover the cost of the instrument when the aircraft sells.

Looking for Advice,

I am looking to purchase a late model SKyhawkSP (2002-2003)

with a couple of other pilots.. What would it cost to add the

EI-16 Engine Analyzer to the aircraft

Thnks
ROb

a new engine management system  is Au racle crm 2100  www.ultra.fei.com  now fo single engine but will be available for twins sometime in 2010