If you're looking at getting dvds of your favorite show, Friends, you might want to try this site http://www.totalactionuniverse.com They have the best prices on dvds. I get all of my dvds there.
This is what I found. Dvd prices are in USD.
BEST OF FRIENDS VOLUME 1 (DVD) - $12.31 BEST OF FRIENDS VOLUME 2 (DVD) - $12.31 BEST OF FRIENDS VOLUME 3 (DVD) - $12.34 BEST OF FRIENDS VOLUME 4 (DVD) - $12.34
BEST OF FRIENDS VOLUMES 1 - 2 (DVD) - $18.49 BEST OF FRIENDS VOLUMES 3 - 4 (DVD) - $21.57
BEST OF FRIENDS VOLUMES 1 - 4 (DVD) - $37.01
The shipping is in canadian dollars, not USD. ***Take note you'll need to convert.
0.5-1.5 lb. = C$4.00 1.6-4 lb. = C$7.00 4+ lb. = C$13.00