Update, Car has been serviced & tuned at East Coast Customs today & all seems good so far. I haven't had a lot of time with the car yet but it definitely runs & drives better. Car has gone from 243rwkw to 262rwkw but don't notice it so much as it at the top of the rev range but can notice a sizeable difference in road manners which is one of the most important things I wanted out of this tune, it just feels smoother. I also haven't had enough time with it to see if the pinging has stopped but they replaced the spark plugs with NGK TR6 as the old ones were rooted & they believed the old plugs were causing the pinging. Cold start issues will be interesting too but I obviously haven't had time to see how that's gonna go yet. Anyway, so far so good & a cautious thumbs up for East Coast Customs & a personal thanks to Jake who serviced the car & put up with my questions & me annoying him all afternoon, Matt for the tune, & Rob for being good to deal with.
P.S. I refuse to join fotosuckit to post a pic of the dyno graph but if someone wants to pm me with their email I will gladly send them a pic to post for me. Thanks peeps.