DVD Help Please

Can someone please suggest a program that allows me to edit DVD's i.e. take out the ads and then allows me to join them altogether thus reducing 4 dvds to perhaps 2. I am looking for something better than DVD Shrink.

can drill into this site, it may help

http://www.dvdhelp.us/

I generally use this stuff to edit

http://www.tmpg-inc.com/

But basically I use DVDshrink just to reduce