My requirement were the same as your's and I found a great deal on a Mallards swift 165
Awesome boat !
if you shop around, there are some great deals to be had, sadly you are going into the silly boat buying season !
There is a chap in PTA with a very nice red swift with 2 x merc 60 BF who is selling for a good price, sadly I cant find the ad at the mo
http://www.hondamarineknysna.co.za/boat/swift165.pdf
http://springs.southafricanlisted.com/boats/2005-mallards-swift-1650-centre-consol-mono-hull-ski-boat-for-sale_27325.html
(I have seen this boat and its stunning, but way too much)