Check out this page.
http://www.netmon.org/tools.htm
Might have something useful for you--I'm looking at "Show Traffic" and "Network Probe" in particular. Note that Wireshark is also listed in that group; I...
Well...Ethereal (now called Wireshark) can do the job...but it's WAY too low-level (and powerful in that sense) for what you want. It's a true network packet sniffer, with logging and filtering capabilities.
But it's not so easy to set...
Just to get the discussion rolling: my router has this capability. It's a Trendnet TEW-631BRP, and it can do traffic-shaping. It's by no means free, however.
I'm sure there's something out there to do this on the cheap, but it will...
I've had mine for a month or so. I've been gaming on it, surfing, MIMO-WiFi'ing with it, etc. Works well. Even plays Crysis (res/effects turned down some) okay.
Hoff's trackpad problem is definitely unique to his system (read: it's not "just the way it is"): my 1530 tracks well, with very little finger pressure.
The "touch sensitive" media controls are an eyebrow-raiser for...