What is a good Minecraft mod pack to play?

I've played all of the following:
Hexxit
Tekkit
FTB Unleashed
Resonant Rise
Yogscast Complete
Voltz

I was just wondering if someone could recommend any new packs. I just want a little bit of variety and other things between packs.

Guest

If you are looking for some packs for survival, I would recommend these: Ultra Hard Survival 3 (UHS 3) and Sky Factory.
You can find it on the ATlauncher here:

http://www.atlauncher.com/pack/UltraHardSurvival/ (Made by Wyld. Find him here: www.twitch.tv/wyld and twitter.com/wyld)

http://www.atlauncher.com/pack/SkyFactory/ (Made by Bacon_Donut. Find him here: www.twitch.tv/bacon_donut and twitter.com/bacond0nut)

There are both by members of the BuildGuild, and I'm not sure if they have other packs. If you would like to see the whole BuildGuild, you can find them here: http://www.twitch.tv/...buildguild

This was edited because I remembered another pack.

Allen