GFC is correct, also remember the sea trial and the survey are entirely for the benefit of the buyer and give you an out for any reason you can imagine.
I personally love the Europa layout and the Taiwanese cabinetry but 100% of the Taiwanese boats I looked at over the previous summer before I bought ours, were rotten. Those that had been "fixed" couldn't document the repair, nor could they even describe it accurately so I learned there are some very quick and (relatively) cheap fixes that make it look good for a quick sale. Use your nose, get to the boat early so you are there when the broker opens it up - any mildew/mould smell should turn you off it. You will have to really want it to go past your nose. It might be a mouldy lifejacket but in my experience, it won't be.
Lehmans are at the top of the list for simplicity, reliability and reasonable fuel consumption but they can have their issues too. Oh, check the fuel tanks!
Good luck.