This is where I go to find prices on most any dvd (region 1, most stores are online and US/Canada based
http://www.dvdpricesearch.com/.
Richee to specifically answer your questions tho, you can find the meaning of life here
http://www.deepdiscountdvd.com/dvd.c...6&promotion=y.
The beatles "Help" seems to be out of print, I think that it had something to do with rights/licensing or something.