Will try at some point over the weekend I am pretty sure that the squeak originates from a dry pivot for the clutch arm, next time i am under the car i will try and get some grease in there, as WD40 only works for a short time.
Alex i think i will try a new braided clutch hose first to eliminate ballooning, do you sell a seal kit for the master cylinder rather than just throw more money at it by replacing the whole thing, having watched the slave cylinder in operation while bleeding the system i don't think that is at fault.
Mwtech sells the braided lines got one myself there when I got the brake lines...