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I would also consider looking used. You can sometimes find a great deal with someone who is moving or adding a pool and trying to sell a barely used (premium) tub for pretty cheap. Back in 05 I was looking to spend about the same amount as you and spent about 6 months until the right tub fell in my lap. If you've got cash on hand its amazing some of the deals you can find (once you know what you are looking for). I think my brother paid $2500 for a year or so old Jacuzzi 345 about a year ago. His local dealer still had that model year on sale for I wanna say 6ish... so he made out great.
The Solana RX would be the best investment for you're $3400 providing one could be had at that price. Anything else in that price range will be taking up space ina landfill within 5 years.
thatbpguy......what town do you live in?