Well there's only 4 more months until Fallout 4. But if you have Fallout 3 and New Vegas, you might want to try these mods out.

-Fallout: The Frontier

A DLC sized mod that takes place in Oregon and new surprises such as drivable tanks, flyable vertibirds, and surviving the cruelty of nuclear winter. I spoke to the mod designers and they said "It will be released a month before Fallout 4".

-Tale of Two wastelands
Download it from here.
A mod that merges Fallout 3 to New Vegas.
Requirements:
Fallout 3 GOTY and Fallout: New Vegas.

-My Little Anthro pony (Warning: You need to be a member of nexus mods to download this.)
Nexus link
Take your favourite ponies all over the wasteland. If you don't like anthros, then don't bother.

-Mothership Zeta crew
Nexus link
Ever want your own faction? Turn an alien ship as your base? Be a match for the Western Brotherhood of Steel? Allying with soviets? Then this mod is for you.

-The Storyteller Companion- Official mod by Shoddycast
Nexus Link
Travel with the star of the Fallout lore series along with his trusty eyebot EDNA and special guest appearance starring Erik Todd Dellums as Three Dog.

-DUST Survival Simulator
Nexus link
A hardcore post-apocalyptic survival simulator.

Why am I doing this? I want people to have fun.