Hello,
Sorry, not much of a bug but the link to mailing lists for suggestions is broken on http://www.gnu.org/software/wget/index.html#bugreports
First of all, nice work. Hoorah for you(all).
The traffic rates and time remaining could be made better for humans by using a moving average instead of a jumpy instant average.
This can be done with shifts if one wants speed.
Jay Nickson