So am I right if I say in total I would need: 6 Server 2008 R Licences (Enterprise): 3x for DC, Mail, FTP and 3x DB & Applications & secondary DC , 6 PCs for servers as per required specification, 90 workstations, 6 x18 port switches , 3x VPN routers, 3 Wireless Routers, cat5e cables, 90xIP telephones to record/store messages, firewall software?