Re: poor signal
you can connect two routers together and still port forward. i used to do it. i think the port forwarding has to be setup on the router your computer is connecting to (i think, or you need to set it up on the main router that gives out the ip's via dhcp).
Laptop spec: ASUS X53E, i5 2430m 2.4ghz, 3gb ram, 320gb hdd, intel hd graphics, usb 3.0