Electrical Problem? Cutting Out.. HELP!

OK new problem I need some help with, on a 90 gt. All the sudden yesterday my car started cutting out, while acceleraqting in every gear it cuts out for a split second, looses all power but dosen't stall most of the time, its so quick the car jerks (rpms drop to 0) but it get power back so fast it keeps going... sometimes it stalls. Now heres the next twist, i drive it about 5 times yesterday it did exactly what I said 3 of the drives many times for the whole drive, the other 2 times in the middle it has no problems at all, I reved it up and raced it a bit to test it and no problems, but later that night it was back. Last full tuneup was about 1 month ago.

It's possible that its an electrical problem, but I'm thinking its possibly fuel related. Do you have any mods? Sometimes when engines do that, not always, its cause of a lack of constant fuel pressure. Otherwise how old are the plugs, wires, cap/rotor, etc?

Lugs, Wires, Cap, & Rotor are all less then 1 month old. Only mods where Cold Air Intake, preformance pulleys and new alternator.

Sorry Plugs - I doubt the Lugs are related to this issue - :)