if you replaced the coil packs yourself, i'm probably giving you info you already know. sorry if that's the case.
when you replaced them, did you take off the intake manifold? (yes, contrary to popular belief you CAN do it w/o removing the manifold. i've done it on mine. it ain't easy. you have to remove the packs from the bracket first) did you remove the bracket that holds the two packs? i'm asking this for a reason.
1,4,6,7 are all on the same pack. if they're ALL misfiring, but nothing on the other pack is misfiring, swap one wire from each pack. that'll tell you if it's wires or the pack. i'm not sure i agree with the ecm idea (or the fuses) i suppose it's possible, but like they say, when you hear hoof beats, think horses. not zebras. if it's a fuse, then the fuse isn't the problem, it's a symptom.
my guess is that you damaged the primary connection on that pack. easy to do when you're pulling that manifold. also, it's damn near impossible to remove the manifold without damaging the main vacuum you see above the intake over by the throttle body.
if you're ambitious and plan to keep the car for a while, here's a suggestion. extend all the wires (primary and secondary) and move the coil packs. there's a blank spot on the firewall in front of the passenger side that's where they should have put them to begin with.