buy new blue coat proxy

Here are some links to freeware that may help with what you need.

http://www.spiceworks.com/
Manage Everything IT... for Free!
You want a network you can manage, not a network that manages you! You wish you could have it... without spending a fortune. Your wish is granted.
The IT Tools You Need.
Spiceworks combines everything you need to manage IT in one easy-to-use application:
Software inventory, network inventory, PC inventory. Inventory every IT thing you manage. Network monitoring, Exchange monitoring, license monitoring and more. Stay alert! Asset reporting, inventory reporting... share a report. Report to your heart's content! Helpdesk & IT Portal. Let 'em submit a ticket! Now you can track every IT task and project.

The CATCH is that these free resources are supported by adware.  There is also a paid ad-free version.

Kerio Winroute firewall
http://www.kerio.com/kwf_home.html
Features include
Deep inspection firewall
VPN, VPN Client & SSL VPN
Anti-virus gateway protection
Surf protection
Content filtering
User-specific access management
Fast Internet sharing
VoIP and UPnP support
Internet monitoring

Mikrotik router software seems to get little publicity or attention, but it has a multitude of excellent capabilities
http://www.mikrotik.com/

Mikrotik's freeware app, "The Dude" is awesome enough that it should convince you that Mirkotik router OS is worth a try.
http://www.mikrotik.com/thedude.php
Just a few of the Dude's features include
Auto network discovery and layout
Discovers any type or brand of device
Device, Link monitoring, and notifications
Includes SVG icons for devices, and supports custom icons and backgrounds
Easy installation and usage
Allows you to draw your own maps and add custom devices
Supports SNMP, ICMP, DNS and TCP monitoring for devices that support it
Individual Link usage monitoring and graphs
Direct access to remote control tools for device management
Supports remote Dude server and local client
Runs in Linux Wine environment, MacOS Darwine, and Windows

Mikrotik Router OS RouterOS is the operating system of MikroTik RouterBOARD.
It can also be installed on a PC and will turn it into a router with all the necessary features - routing, firewall, bandwidth management, wireless access point, backhaul link, hotspot gateway, VPN server and more.

Blue Coat proxy Sg appliance and Blue Coat peroxy AV applicanes will work.

The BC SG - you will need a content subsciption -

The BC AV - you will need a av subsciption (.i.e. sophos).

The AV works as perimter security - capturing viruses at the network layer.

Traffic Shapping and policies are avaioable out of the box.

You will also need to purchase a bypass card in the event the BC SG takes a dump and you still need unfiltered access.

For 300 license and the two boxes you are talking about 12,000 dollars.

There is also a companyu called Cymphonix, specializing in the educational sector, which makes an all in one box solution.  There a model made to support 5 MB, 10 MB, 20 MB, etc bandwith environments.  the reporting is great and so is the traffic sghaping.  Like Blue Coat is integrates with Active Directory

www.cymphonix.com