Hey

as for builds I would recommend something close to this http://skyrimcalculator.com/#139005 . Disregard the enchantment, smithing, and alchemy perks if you're not interested. You may not want to use upper level perks in pickpocketting as well, however I enjoy doing it. The rest I would highly recommend.
This perks set allows
-Your enemies to fight back, but not render your ability to aim.
-Improve enchanted armour
-Protect yourself, negate some melee damage, negate armour weight, and regen stamina faster (for slow time aiming)
-Triple bow damage when sneaking and make yourself less noticable when sneaking
-Easier pickpocketting, find more gold, get better loot, lock pick faster, and your lockpick never breaks!
-Pickpocket friend and foe alike with ease, poison enemies, remove enemies armour and weapons
-Get better prices on items, sell stolen goods, and sell more loot to vendors
-Create better potions and poisons (Recommended highly if you're playing on higher difficulties and going to poison enemies)
-Enchant better and stronger enchantments and place two enchantments on items.