I dont know where Pitshop is, but I know its where all the WM stuff are found right?
Aside from the mentioned above and various board game cafes in the metro (GC & HM)
I know of
Shops:Cutting Edge (they have various poker implements, Khet and Vegas Showdown) in various malls
Courtside (CCGs) in various malls
Comic Quest (various American made games) just in Megamall (?)
Toby's sells poker chips

I think most places here will allow you to game as long as you are eating their food, Ive tried gaming in various restos and coffee shops like UCC, Krispy Kreme, Proud Mary's, CBTL, North Park etc.