Hosting downloads on an online.net box

Hi,

I've got one of these that i'd like to use to host some files.

http://www.online.net/en/dedicated-server/dedibox-kidechire

I've got no idea how much traffic this would result in though...

This leads me to the following questions:

• 1.) When do online.net start getting grumpy about bandwidth abuse?
• 2.) If I have multiple Kidechire boxes how can I load balance and split the traffic or downloads between the two?
• 3.) Any nice way to track that bandwidth used / number of downloads?

Thanks,