Russ, chill out dude - you're home on Thursday remember.
I suggested 10m to Gordon as (in general) the stuff is available in 5/10/15m etc etc rolls . Like i said, i laid it on thick when i did mine. Anything left over was just going to be forgotten about in the garage so i may as well get the good of it.
With regards the quality of different wraps: the Cooltek is advertised at 1.5mm nominal thickness, i measured mine at 1mm at best. I'm not saying the 3mm Think Auto stuff is any more efficient (it's not worth the hassle to prove either way) but for the tiny bit extra it costs i'll be giving it a go rather than the Cooltek next time. Gordon could also buy exactly 7m of this as it's sold per metre.
PS: if locking wire is good enough for the Super Puma you're flying home on on Thursday, it's good enough for the Scoob. I'm sure they're fine in general but i prefer to avoid using cable ties.