Ha! I was of the same mindset for my Polara, and got some buckets from Murray Park over a decade ago. Then I got a parts car, but it only had one correct bucket. I didn't realize the 500 model was what I was after. I got one of those because I couldn't pass it up. Then I got a Monaco 500, and will shortly be getting a second one, most likely a parts car. I need a set to recover for the Polara 500, as the foam and fabric is shot. I will have a spare set, and will have three other seats, one complete pair, and a driver's seat, early next year. I'll know what I'm doing by spring. I won't commit to selling before I have them in hand, but I will be selling at least one set.
And for the record, I got the correct bench in the Polara, and I love it! I do like having both a bucket and bench seat car, they are great for different reasons.
And I have a spare '66 console, and a '69 console. (It's all this sites fault!)