Quimax

We're trialing ESet, looking to move from Kaspersky. In setting up the server, I went "Oooo Virtual Appliance, that should be easy!" However it seems most of the instructions are for the Windows Server based install. Our user base is scattered far & wide. In country here we have pathetic internet (1.5Mb down VSAT for the entire office) for a couple of remote offices, slightly better for our main office, and random other users in about 6 countries world-wide. Before we get more than 5 PC's in it, I'd like to hear opinions and experiences that others have between using the two, supposedly feature identical, installation types.