(Linux hackable router) What hardware + software? [closed]

"Another alternative firmware is Tomato. It has Quality of Service (QOS) settings which will handle your requirement for VoIP quality.

Hardware options for 802.11n seem limited or non-existent. One option would be to have a linux (Tomato, DD-WRT, whatever) router connected to your broadband line and then have a 802.11n wireless access point on a wired connection to your linux router.

Update: Here's a blog post with news about 802.11n support in Open-WRT."

"Recent discussion here on bridging with a Linux router

Using wifi router as bridge to increase signal

You could even get an old PC with a WiFi card hooked for the purpose,

Linux LiveCD Router (is one reference)

can even boot your PC from a USB Flash
have not checked for bridging support explicitly,
but, looking at the feature-set, bridging is likely to be supported too"