Ripped whole site, one day---very fast, from one ip. The UA is the oddity...
173.192.34.nn
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; Media Center PC 5.0)
Even tried a few path modifications which dated back some 13 years...