Have anyone tried to completely submerge Avalon into mineral oil? That works very well for desktop computers.
Fluid would be too viscous for the fanz...

I've got a system that's submerged in mineral oil (quad E5-4650). Transformer oil to be specific (lower viscosity, higher flash temps, mostly synthetic, no PBAs). Fans don't really care, although that's not the primary circulation method (pump).
Nice. I've been wanting to do this to a computer for a while (I think my i7-2700k would over-clock like a MoFo.)
I'm pretty sure I'll be trying this with my K16 boards. Where did you source the mineral oil, if you don't mind me asking? Also, what type of container are you using? I've seen debates on using a plexiglass enclosure, and possible ill effects on it from the mineral oil.
Thanks