Mgaidica,
My preference would be the Peterson Tri-fold set... The set is pretty complete as-is with room left to add additional tools to the case as you wish. The Tri-fold case is top notch as well as the picks IMO. The set does duplicate the picks, but offers one set in rubber and plastic handles in the same kit.
I have seperated the sets and left only the rubber handled picks in my everyday kit. It also carries the following tools nicely:
3 additioonal Peterson Picks(postal, slender gem and double snowman)
Peterson I-Core set
Set of double sided wafer picks (4)
Set of auto jigglers (10)
Set of warded picks (5)
LAB 11 peice pick set (no handles, but great for narrow or euro keyways)
1 feather touch tension tool
Rytan Compact Plug Spinner
1 Broken Key Extractor
2 Double Prong Tension Wrenches + Tweezer Style Tension Wrench
About a dozen various sized and shaped tension wrenches
2 Southord double sided picks
This set serves me well and carries well... What you can't see in the photo is a leather flap that covers the tops of the tools so they don't fall out of the case... This isn't a problem as the case holds all of the tools nice and snug. It folds down to about the sice of a ladies wallet or a fat checkbook and still carries in a coat pocket nicely.
Lockpicks.com Sells the Tri-Fold for $56.95 (well worth it)
Also try Peterson-International.com (great sets and service)
Here is a pic of the case as I carry it:
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