I think most people go with plain seats because the embrodiery wears out quickly and is hard to keep clean. Also sometimes in real life the imperfections make it look not so great.
Imports extreme is great, but pricey and some say hard to get a hold of lately.
Putting AMS garbage, and $500 ebay wheels on a Z is like dressing a Victorias Secret model in a Walmart dress and Payless shoes. You're embarrassing yourself.