It is different for each enchantment but with mods/server plugins you can currently go up to LvL 127
you can get minecraft mods and textures off the minecraft mods website.
bearshare is not required to get minecraft mods.
there are no mods in minecraft pe i hope there will be
Yes, most Minecraft Mods are updatable.
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