honeyz: Welcome to The Gym! If you listen to the mainstream media, you'll get a lot of rehashed info saying that PE doesn't work, but that's all it is -- rehashed info.
If you look at the anatomy of the penis, it's fairly easy to see how the penis enlarges due to exercise. A good thread to check out is the TGC theory thread. It goes over the smooth muscle and the tunica (presumably the two most important factors in PE, along with the ligaments). Here's the thread:
http://www.pegym.com/forums/general-...explained.html
Also, if you're looking for progress stories, check out these:
The Penis Enlargement Gym - Success Stories
Some other guys will probably chime in here too, such as JonPop who is probably one of the biggest gainers out there.