Well i dont think i should reply here, but I started off with the same problem. Three years later and almost 3000 dollars later i still have the problem. Im sure i have a rare case of the lemons but heres my list of replaced parts.

Battery
Battery terminals
plugs
wires
coil
iac
air filter
map
injectors
fpr
head, and gasket
all seals
o2(front)
coolant temp sensor
fuel pump
fuel filter
gas tank
egr

And you know there is probably more that i havent touched yet but at this point im fed up with it. Good luck to you sir and i hope you read through these posts again because the info given is golden. COIL PACK MOFO!!!

Aem Cold Air AFX 55mm TB
Fidanza Cam Gears NGK Wires
AFX UDP Greddy Header
Gutted Cat Greddy Evo Catback
Energy Suspension MMI Eibach Sportlines
Tokico Blues...always more to come