[terminatort1000]

El mejor de los que he probado

http://rapidshare.com/files/13449764....2756.rar.html

Tube Hunter Ultra 2.3 downloads video and music from 667 YouTube and Xtube-like websites, and saves them on your computer or directly to your iPOD / PSP / Zune / Cell Phone.

All downloaded videos(FLV) can be converted by TubeHunter Ultra directly to other popular video formats including AVI, MPEG4, DivX, XviD, iPOD Video, iPhone format, MPEG, WMV, RM, MOV, Sony PSP, Zune Video, 3GP, 3G2, SWF, M4A, MP3, MP4, WAV, OGG, AAC and AC3.

TubeHunter Ultra does not have any spyware or adware.