hello list, as estasn, I need your advice to the next stage an ISP network with 500 users I have a pentium 4 Dual Core + 4 GB ram + Sata 2 160 GB Squid 3.1.xx + bridge + tproxy + Centos 5.4 64 Bits I would like to know your opinions about the hardware, if very small, fine or need something bigger what equipment do you recommend? thanks