Stick with NGK's. The Iridium are a complete waste of money from what I've found, the smaller anode just makes them that much easier to foul and iridium is a very poor conductor. Depending on how easily the plugs are to change I either run NGK copper or NGK platinum plugs.
I was running taylor wires on my Supra... VERY beefy wires... I still have to make a set for my MR2 though. NGK, MSD and Toyota wires are all good quality too.
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