Well I have just found a soaking wet passenger footwell
The passenger side front drain on the sunroof is blocked, I've tried pushing a small rubber hose down it and blowing and it's having none of it!
I've removed the a pillar inside and can see the tube but I don't know how to access it behind glove box or where it actually terminates.
Also I read there is a rubber elbow joined at the end which I'm guessing where the blockage may be?
Any help appreciated as I've searched all the forums and google but found nothing and also froze my arse off for the last hour or so in the dark

Cheap net curtain wire, rod that gently down the hole from the sunroof.  Bodsys Brake Bible
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Cheers I'll try that tomorrow!
Only thing I don't get is the wet carpet looks like the dampness is coming from the centre of the car rather than the outer side where I imagine the pipe terminates :S
Also if I can't blow down it how does all that water get there :S

Have you checked where it comes out as well? If you remove the grill in the wing,pull back the rubber cover you will see a sort of pinched pipe - that is where the water runs out. Try and open this up and dirt often blocks in there.

Yeah sadly your talking about the drivers side which is easier to get to as drain outlet is behind the vent on the wing, passenger side is more hidden!

Well I've rodded the drain and managed to now get water coming out of the passenger wheel arch, also sucked up all the water with a wet Hoover!
Will just have to keep a eye on it, was about a pint of water in footwell