- For 50 to 60 users I don't think that load balancing is an urgent priority ; but automatic fail-over is. I would more look into firewall-solutions (not an extra router) which can do PBF (Policy Based Forwarding). These can do automatic fail-over (and probably load-balancing too).
M.
-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '