Rule number one: everybody has a boat perfect for them, but it a very personal choice!
Rule number two: budgets and availability usually wreck rule number one.
I'm not sure what sort of water you are seeking to paddle. Obviously this is the key to the type of boat you need. Length, volume and hull shape combine to breed optimum boats for certain conditions, but you already know that!
The Pyranha Micro 230 is an old-fashioned displacement-hull creek boat, ideal for steep and narrow waters. It's a classic and I have paddled (briefly) two of them. It fitted my 5.10+ and 165 lb body (converting to American!) very comfortably. I very much liked them, but couldn't find one to buy in Australia. You would just be on the upper weight limit. Second-hand creek boats of the Micro 230 age might have just gathered dust in the shed - a quick look will tell you - but check the hull under the seat in this particular boat. A great boat built specifically for creeking; slowish for river-running.
In lieu of a P. Micro 230, I bought a Prijon Creeker 225, a boat with similar dimensions and load carrying capacity, you are on the upper limit again. This particular boat suits me perfectly for my paddling which is a moderate but fun class 2/3 creeking and river-running standard. Quicker than the 230, it surfs, ferries, eddies and boofs well, overall appearing to be viceless. A keeper! Bonus: the plastic is very tough!
With your injury problems, would a longer boat with more leg-room be worth starting again with? A Dagger Animas or similar?
But in the end, as stated earlier, everyone makes a personal choice; we can't all have the same wife nor would we want the same one necessarily. It does pose a question though: if we need several boats to satisfy our varied needs, why have the one wife? (Um, girls, that was a feeble attempt at HUMOUR.)
Cheers from Mick in Australia.