I like CentOS but its more a full blown OS with a lot of security and other extra's. Its more on par with windows if you need all the bells.
https://www.centos.org/
Debian is nice light weight graphical linux.
https://www.debian.org/
For an easy of use Ubuntustudio is good.
http://ubuntustudio.org/
What types of programs do you plan on using?