No probs dude. I know of people that have converted to the megasquirt system for less then £500 (thats an all in price - inc. vat.), and its a good system, fully mapable etc, take a read of my topic on there and make your mind up. Thats what im gonna go with anyway.
This topic should help you if you decide to go that route:
http://www.escortrsturbo.co.uk/forum...&hl=megasquirt
I am going to write a step-by-step installation guide, but just havent got off my arse to do it yet, but the above topic should more than help you out.
Also, this may be of help to you:
http://www.fiestaturbo.com/forums/vi...c.php?t=122386 /
http://www.mtechautomotive.co.uk/
Hope that helps, and doesnt totally baffle you! lol