Microlighters

Have a look at this new wireless intercom system that has just become available on the Oz market.

http://www.microlight.com.au/innovations_index.htm

I used the system for the first time on Sunday and was very impressed. Waiting for them to build it into a "Flycom" type helmet and then might just ditch my current setup for one of these.

Expensive but state of the art.

and then the batteries goes flat and you are stuck with no comms. At around R10k+ it'll be a while before I go for that solution although having no wires is nice.

More closer to the R20k mark so not a cheap solution but you get 23 hours of battery life (normal usage). Not having wires really makes a big diffence especially if you are wearing a helmet over the headphones.