It might not be out yet but it should be. You have to download and install forge then you can install mods by going to .minecraft/mods and adding a mod there.
you can get minecraft mods and textures off the minecraft mods website.
bearshare is not required to get minecraft mods.
Yes, most Minecraft Mods are updatable.
there are no mods in minecraft pe i hope there will be
you can get most minecraft mods off the minecraft mods website, or you can google.
Unplug your hard drive and put it in your computer and get mods for minecraft
On Minecraft Forums
you can easily get mods from planetminecraft
Minecraft Forge lists you all mods in minecraft and Forge
Minecraft mods are always free.
download it then chuck its contents in a mods folder in minecraft .jar
You can download minecraft plugins from planet minecraft minecraft forums bukkit (for multiplayer) mods for minecraft.com mods for minecraft.net