Olympic is a decent brand but there are a few others you should check out. Skutt and L&L Kilns are the best as you mentioned. Also I saw someone mentioned power considerations, that's a huge thing. I recommend contacting someone that's knowledgeable at one of the major pottery shops, they can help you find the perfect Kiln and do the homework for you.
Sheffield has a page dedicated to choosing the right kiln you might find helpful. Here's a link https://www.sheffield-pottery.com/Ceramic-Kilns-and-Glass-Kilns-s/258.htm#kiln-buyers-guide