You know that this is not the way to find out - reps are just going to say "us". Better to get your stopwatch out and try yourself, the only reliable/unbiased way to know. Here's a few to get you started:
Imlive
http://imlive.com/user.asp
Flirt4Free
https://secure.vs.com/live/FullPay.c...&pa_id=7981735
CamContacts
https://www.ccnwebcams.com/_1g1h1i15a3/register.html
LiveJasmin
http://www.livejasmin.com/buycredit.php
Webcams.com
http://webcams.com/index.php?page=join
PrivateFeeds
http://www.privatefeeds.com/_liveroom/register_user.htm
Streamate
http://www.streamate.com/signup/?
Quite a few more sites are listed in sig
Good luck
