have a look on ebay for getting the kit cheap otherwise its around 1500quid odd to have cossie management.
but then for that price you could go with gotech, omex, dta, pectal, or other indepandant management systems that run most drivers and are fully mappable.
nothing wrong with cossie management, i just prefered to go down the new route with indepandant like new ecu, new wiring loom, new sensor, new injectors and no need to have coilpack drivers, piggy boards for anti lag.
if you do chose cossie management then i would suggest going or at least speaking to jano as he has the whole cossie setup sorted! seen a car with his work and that was very good so can't fault his work!