You'll need a 9-port switch.
But those do not exist, if you want more than 8 ports, you'll have to get a 16-port switch or get an 8-port and a 5-port switch and link them together.
This does not make it alright to repost, please search before you post!
http://linustechtips.com/main/topic/233378-ssl-3-critical-bug-poodle-updated-content/
A server case for that money? Good luck, most of them start at around $100 for a simple one and $400-500 for one with hot-swaps.
Also, don't put it in a closet, computers need fresh air!
You can use this program for free from VMware: http://www.vmware.com/be/nl/products/converter/
After that you can just run it in VMware Player (Also free).
Viruses and malware often scan the network and look for vulnerable systems to infect, there are ways to monitor this kind of behavior and block it out (the way they did here).