1) pc (wlan) na router
2) ppc qtec 9100 - mislim da je to isto kao T-Mobile MDA vario (wlan) na router
3a) PS3 UTP - na router ili
3b) PS3 UTP - na ap (Ethernet to Wireless Bridge mode) i to sve (wlan) na router

http://www.us.playstation.com/Suppor...d/default.html
http://www.us.playstation.com/Suppor...ps3_gs_si.html

Predlazem 1, 2, i 3a.
Edimax WLAN BroadAP/Router4xLAN,54MBps

3b nije ni jeftino ni jednostavno ali nema zica.

Edimax WLAN AccesPoint EW-7206,54MBPs
ima i gotovo: D-Link DWL-G810 Ethernet to Wireless Bridge Adapter, 802.11g, 108Mbps