Its hard to talk about the benefits (or drawbacks), its really just another way of doing arbitrage. I could say cross-arbitrage is easier because it requires less trading and the triangle is more complex. But it all comes down to doing market orders on the end so how much different it is really?

We do have an Linux beta version availible on the forum (OSX too), but its still beta because sometimes we get reports it works fine and sometimes it looks like its not fully stable. I just am fair about this part. We are trying to nail it down, but it has proven to be an hard one because its really totally random. No real clear pattern has been found yet. On our own forum we have an active topic about this and the developer responsible for it is present as well to assist.

Edit:
I am not fully sure about the root access. But what i do know the software uses Mono as a base and it requires to send and recieve data from and to the internet. (you can use an white list of course) And the software must be able to host an website to show its own interface. (this can be setup local and enclosed with localhost or with an public IP adres, like at VPS/VPC setups)