2 Server's 1 DMZ & Bad Router

I have two servers on my home network that run various things from, Web , FTP , Games ect

Current set up is 1 Virgin media Super Hub 2 Connected to a Switch with DHCP disabled on the switch.
The vm superhub is very bad at port porting forwarding it just doesn't work.

So i have one of the Server 1 in a DMZ that is the only way to make the router open ports...

So server 2 will not work from outside the network...

Now i have tried to DMZ the switch but it will not do it because the switch is 192.168.1.1 i can only enter a 192.168.0.0 address in that range.. and i cant change the address of the switch.

So both Servers are running windows server 2008 r2, can i route all the internet traffic from server 2 through server 1???
So server 1 handles all the internet traffic for them both? so i can just use server 1 firewall and the DMZ then they both become Servers that are forward facing internet servers??

they both have Gigabit Nic's as well.