Mike ....I'll suggest you search a particular builder information here for detailed particulars.
Other companies are Special Edition ( Carey) Bremen Indiana, Vintage Motorcars ( Greg) in Hawaiian Gardens California, Intermecannica ( Henry) Vancouver Canada
SOC is in Carlisle ( do a search here for particulars) every May 16 - 19th for 4 days , it's short drive for you and you'll get to meet owners see different speedsters and I 'm sure you can drive a couple too... that's just the way we roll. This year our host Hotel is Courtyard by Marriot in Shippensburg PA. I will PM you too.