yeah i was REALLLLLY tired that day....
anyway, i couldn't find the hardware spec for your router ( Flash RAM )
but i suspect that it's simply not powerfull enough to support all your wireless trafic.
windows 7 is far less "network friendly" than windows XP, it might be far more conssuming on your network than you think... also for now skype still use a P2P protocol to work, it's hitting hard on your network (but it should change with future versions )
to solve the problem try the following:
- disable all the "memory conssuming features" like
- the QOS
- the trafic logging
- the internal firewall ( you're on a local network, it's a big plus in your security
- the mac filtering
- wire your tv box and your playstation 3 if the router is close from those equipement, use a network cable, it's cheap and this will reduce the load on your wireless network
- realy not safe, but lessen the encryption of your network, remember that every connection is encrypted and that your router has to calculate the encryption key pretty frequently....
in any case, wiring a maximum of equipement is a good solution, and if it's still not working as well as you hope, your can try a more expenssive router to see if it fits your needs....
as a bonus here are two headache inducing PDF on the wireless CPU consumption / security :
http://www.ijcte.org/papers/054.pdf
http://www.academia.edu/1501652/GPU_-_accelerated_WPA_PSK_cracking_solutions
i hope that this will help you !
good luck !
