I have a DGN2200.  There's probably no need to tell people here, of all places, that out of the box, the thing is not very configurable.  It's alright - but it's really inadequate for traffic shaping needs.

Can I mod this modem/router so that it shapes traffic similar to Wondershaper - or should I just invest in one of the routers listed above, under 'Products'?  

I have found the source code for the DGN2200 firmware.  I can compile it,  then flash it - but my development and/or hacking skills are not up to the task of modifying that source code very much.  

I suppose that there is a reason that I have not found a subforum here for that DGN2200.  The real developers and hackers have probably found that it is easier, and more efficient to develop for the WNDR3800, or the WNR3500L.  

If someone can point me to a good source for firmware for this router, I'd appreciate it.  If not, then I'll probably purchase one of the above routers to work with.

Many thanks!