I agree that physically barring the beasts would be best but it would
> also be quite difficult - I am talking about very small geckos here -
> chicken wire would be useless, it would have to be something
> approaching fly-wire.
Wow, *very* tiny Gecko's.
I am worried about the effect this would have on
> air-flow. As it is, I am amazed that the electronics survive out in
> the blazing sun on a 40C day - I am in Perth, so we get quite extreme
> heat.
Fly wire should still allow sufficient air flow, unless it's already insufficient. If so you may need to redirect some of the cold air flow, or simply add a small fan.
MrT.