I have had good sucess with AEM EMS - based on your mods through i don't think you need to go standalone just yet. You could choose from the many ecu programmers out there. Everyone will say either ASH or JWT but i'd say ZTUNER - but i'm biased :)
Harry
Formerly yellowzxtt
" If it doesn't make it faster, i don't care " Please visit www.ztuner.com to GO FASTER