GameTracker.com now offers version searching for MineCraft servers.

You can browse only for your preferred version using our variable search. For example:

Browse only Minecraft 1.4.7 Servers
Browse only Minecraft 1.4.6 Servers
Browse only Minecraft 1.2.5 Servers

For a full list of tracked versions, you can view our Minecraft page:

https://www.gametracker.com/games/minecraft/

For a full list of tracked servers, you can browse GameTracker's database here:

https://www.gametracker.com/search/minecraft/

Looking forward to see Crysis 3 support soon. :)