Better than the F6 Dave?
Couldn't say- I've never tried to F6 chris, which sounds like a shoddy bit of advice, particularly from someone so empirically influenced.
However, the data suggests that the Fly Z and G30 clubs are the most forgiving of 2015. I'd ask how much more forgiveness club manufacturers can squeeze out of a club when the Fly-Z already has the CG so far back already. As for distance, one year of technological advances will not have any huge difference, particularly when you consider that 1-3mm off-centre strike will make a much bigger difference to distance & accuracy.
However, I do have some data courtesy of mygolfspy, which documents the Fly-Z vs. F6:
You can make your own mind up- but given how minute the differences are, I'd have to get myself along to a Cobra centre and go head-to-head. At worst, I'd be going on trackman and comparing the F6 to the X2Hot.
The price difference between the Fly Z and F6 is about £120. Not a huge amount, plus lots of shops are doing a 30 money back guarantee on the F6 (Golf Shop Online, for example), which is a bit of a non gamble.
But, the Fly-Z is prettier, mega forgiving and obviously cheaper than what appears to be current models that offer nothing more than a little more adjustability. For £120 saving, I'd be tempted to pocket the cash and buy me a few drinks at Pines to celebrate your new driver purchase.