Looks like a killer rig IanY.

BTW, the G70 is bigger than you think, you can take a look at my project, I managed to squeeze a Quad+Triple rads and I still got room for additional single Rad.
And yahh, they are all inside the case
Take a look:
http://www.xtremesystems.org/forums/showthread.php?t=214816"]Q² Project by The-Fox.

Good luck with the build