We frequently use a small rendercluster farm to speed up our still image renderings.
It would be very usefull to have a List of the available Host machines where you could simply check the hosts to enable them or uncheck to disable.
The list of hosts could be stored in a xml File, or in the preferences. This way we dont have to type in the hosts again every day....
Just have a look at the way VRay handles its distributed rendering server list.
its a small thing but i would really apreciate seeing these little usability issues solved...