pornmd
Pornmd.com
PornMD, the doctor of pornography and the healer of lost in love souls, is a search engine and probably the biggest one around. They state that they have "the hottest sex videos from the best porn tube sites" into their adult engine algorithms.
Once you load pornmd.com, they will offer you the possibility to fine tune your searches into straight content, gay content or shemale content. This way you will have no surprises when the results will be on your display. And i really think that this is a good option since no one likes surprises like that.
The graphic of this search engine is out of this year's trends and if you will move your mouse pointer to the logo, in the middle of the screen, you will see a rapid teaser of some of the websites from which pornmd.com gets it's results. With names like PornHub, RedTube or SpankWire you can never go wrong.
On a quick test, the engine went smooth and the results are displayed with big thumbnails, where you will find out the length of the video, the site where it's hosted and the rating for it. Give it a try, it's free!