Rating (see bottom) : 
3dcertified distinguishes itself by offering real american pornstars in high quality settings, combined with a flashy layout
they offer:
- many different formats (anaglyph, real 3d, …)
- HD, regular, 1080p,…
- real american models
- regular updates
- free 3d glasses
- 3d AND 2d versions
they cost
- $29.95 for 30 days => $1 a day
- $69.95 for 90 days => 78 cent a day
- $99.95 for 365 days => 27 cent a day
click here to check it out for yourself
* rating explained:
| defenition | rating |
|---|---|
| updates (0 = never updated/ 5 = updated daily) | |
| unique content (0 = all purchased/ 5 = all shot by owners) | |
| real 3d content (0 = 1 set 3d porn/ 5 = only 3d porn) | |
| multiple formats (0 = only anaglyph/ 5 = anaglyph, nvidia, 2D,…) | |
| amount of porn (0 = limited/ 5 = loads and loads) | |
| browsability (0= hard to navigate/ 5 = easy to navigat) | |
| price/quality ratio (0= sucks/ 5 = great) | |
| overall impression (0 = nah/ 5 = excellent) | |