I'd never toss out any DVD's...I'd sell them. :D
Anyways...here's my top 8 favorites I'd never give up:
1. 8 1/2 (Criterion)
2. Snow White
3. North By Northwest
4. City Lights
5. Moulin Rouge
6. Lawrence of Arabia
7. Monty Python and the Holy Grail
8. O Brother Where Art Thou
Of...