Hi mate
Best tips i can give you up to you if you want to take it or not
1st tip , Buy the 3.6m yak you will find the 2.7m is a waste of time and a pain in the ass for fishing , there is many reasons for this .
2nd Tip , make sure your the kayak you buy has a steering Rudder
those are some important features you need to consider when buying a yak
also there is a asian importer in windang south of the bridge , he sells some very nice kayaks at very good prices if you want a new one or you can look on gumtree
also standing up in those types of kayaks are very hard without modifications , bet bet is save a little more and buy a 2nd hand Pro Angler 12