Look through the old posts and stickies in this section, you will find threads on what people have used, what works, & a fair number of pictures.
I had the offset limits written down & stored on my phone. Lost the phone & the back-up didn't work.
I upgraded mine, because I wanted to upgrade the brakes. If you are somewhat cheap --like me--- you can sometimes find decent used wheels on Craigslist. I picked up a used set of aftermarket wheels, sized for a late-model Monte Carlo. I also got a set of take-offs from a Buick (I don't remember which model). Both needed a little TLC, & some maintenance to stop/slow weathering and damage to the chrome... but they were cheap and look pretty good. (I do still need to get replacements for the Buick center-cap.)
Both sets meet all the specs for an Aurora, they are just 17" instead of the 16's that came on my 1998. I needed new tires and brakes, so the upgrade was a no-brainer. The larger brakes wouldn't fit in a 16" rim.
It's a 2001 with 17s, I guess I'm really asking where you bought them. I've been looking at tire rack and they have a couple that I like. I know there are a bunch of places on line just don't know how much I trust them.
If you stay the same size, new pads and rotors all around will run you ~$200-250.
If you "go big", you'll still have about the same pad and rotor cost plus ~$250 for new calipers, so about $500 total. Keep in mind these are all new parts!
Or, you could do what many of us have done and find a late 2000s Caddilac DTS in the junkyard and take everything you need off of it. Turn the rotors, rebuild the calipers, and buy new pads and you'll have your 'kit' for just a tick over $100!