Got a good router with good support for QoS?

I am pulling my hair out!! Okay not literally but I feel like I need to be.

I am searching for a good small business router, I don't want to spend a lot of money but I will if it gets me what I need.

I had vonage but their service and more importantly customer service was inexpressibly bad, I am now with broadvoice and they are much better in all regards. The downside to the smaller provider is that they have very little to no industry support. So bye bye Vonage router, I need a new one that just supports QoS of the open SIP protocol.

I have an IPCop box right now but its like pulling teeth to install the layer7 filter in that, so I am here asking for help, what is a good router for me?

My internet access is 8mbit / 1mbit cable connection from Time Warner Business Class

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That feeds into my IPCop box

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Which feeds into the rest of the network through two 24 port managed switches with QoS (QoC) enabled.

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I have 17 desktop clients, 3 network printers, a print server, a Cisco 1200 Aironet AP w/802.11a/b/g and three Mac's all hooked into these two switches.

So I need something business class, probably not Cisco because I would like to be able to modify the settings myself and I am not CCNA certified.

Suggest away, it must support QoS.