Programmable ECU's (Was GM TPI tips for a newbie)

[Jason Weir]

WILMAN wrote:
> > I've looked at several of them but frankly I'm not sure what
> > I should be looking for in a programmable EFI system. The
> > Accell DFI system seems popular and so do the Haltech
> > products. I must have looked at a dozen Mfr.'s. I was leaning
> > toward the Holley system but after receiving several messages
> > on the problems and deficiencies they have I changed my mind.
> > Which system(s) is/are considered the best?
> >
> > Charles
> >
> I am using GEMS EM20. It is very good.
> They are at http://www.gems.co.uk
>

About how much did the EM20 cost if you don't mind me asking?  

Jason