When I got my Fiero, I swore that if I was going to replace the wheels, I was going to put on something stronger, and if at all possible, lighter, than the stock wheels. While expensive, forged wheels are typically the way to go for this. The tough part is finding sizes and bolt patterns that can fit our cars.
Well, today I (re)discovered a company that I didn't investigate fully before, and then forgot about them. Boze Alloys. They have a division called "ZE Forged", and so far, all of the wheels I've looked at come in 17" (the largest I'd want to go with), numerous widths (including custom ones), and custom bolt patterns AND backspacing as part of each wheel they sell.
I really like their "Acute" series - http://www.bozeforged.com/acute.html
And their "Toxic" series - http://www.bozeforged.com/toxic.html
I'll probably go with Acute because it's likely lighter. The price tag hurts a bit, 570 per wheel... but you get what you pay for. Oh, and they do a number of different finishes plus... one of my favorite things... custom engraved center caps and/or spokes. So instead of it saying "Boze", you can get the Fiero logo done for the center cap.
I was also looking at iForged - http://iforged.com/us/ but haven't dug up much info on them. Don't get me wrong, there are a plethora of forged wheel makers out there, but many of them have 18" as the smallest size... and even those are rare!
So just in case anyone else was looking for them, I thought I'd start a thread on it.
For quick reference, on the stock Fiero wheels, I know the bolt pattern is 5x100, the center-bore is 57.1. It's my understanding that most aftermarket wheels have very large bores, and there are 'hubcentric rings' to allow proper fitment.
Here is the link to Joe Torma's awesome wheel fitment guide.
http://www.fiero.nl/forum/Forum1/HTML/058236.html
A tip I just learned today - that when using that guide (or figuring on any fitment/offset issues), remember to add the thickness of your rotors to your offset!
Another source for forged wheels that support our bolt pattern is SSR.
For example - their "Type-F" competition wheels (in 17x7.5) weigh in at 15.3 pounds, but has a 48mm offset. Not all of their wheels list weight, definitely lacking in consistency in the information and how it's presented for their wheels.
There are others on there, but that's one of the few that listed the weights - likely because it is one of their "race purpose" wheels.