I don't think you will get much lower....I can't remember the actual number of R models but there weren't but about 30-40 I think? Your going to pay for it no matter what...if you are looking for a clone then you can get in one for around $30K but a real R is going to set you back some bills.
The car on AT is still out there. The link is below
http://adcache.collectorcartraderonl...2/31388862.htm
Matt