Is this website safe to download from?

http://www.lifehacker.com/
my friends did it, and their computers are fine.
i want to download the videra ipod converter and a DVD decrypter to make dvds in the right format to put onto my ipod. has anyone done it b4? does it harm your computer? spyware? i don’t know a bunch about the viruses and spyware and stuff..anyone have some words of enlightenment? thanks.
(oh yeah, i have windows vista).

lifehacker.com is a well known and established website in its niche.