Shop IDs

1.)Level 1 Shop
3.)Level 3 Shop
4.)Level 5 Shop
6.)Warpforce Shop
8.)Swordhaven Helm
9.)Pirate Class Shop
10.)Battleon Upgrade Shop
11.)Valencia’s AC Shop
12.)Aria's Pet Shop
13.)Walric’s Magic Shop
14.)Mogloween Upgrade Shop
15.)Dwakel Shop
16.)Yulgar’s Weapon Shop
21.)Armor Class Shop
22.)Warlord Class Shop
23.)Sorcerer Class Shop
24.)Acolyte Class Shop
25.)Renegade Class Shop
27.)Assasin Class Shop
31.)New Shop
32.)Grandparent's Day Shop
38.)Dragon Slayer Class Shop
39.)Noob Shop
40.)Crimson Shop
41.)Battleon Armor Shop
44.)Citadel Shop
45.)Storyline - Chaos Weapons Shop
46.)Pactagonal Shop
47.)Shadowfall Evil Shop
48.)Swordhaven Good Shop
49.)Quibble's Shop
52.)Chainsaw Shop
53.)Guardian Shop (Can't buy unless you have special requirement)
54.)DragonLords Shop (Can't buy unless you have special requirement)
55.)Starlords Shop (Can't buy unless you have special requirement)
56.)Lunaris Shop
57.)Solaris Shop
59.)Summer Break Shop
60.)Chuckle’s Shop (Can't buy unless you have special requirement)
61.)Peacock’s Costume
62.)Mustard’s Costume
63.)Plum’s Costume
64.)Hitchgreen’s Costume
65.)Scarlet’s Costume
66.)Whiteberry’s Costume
67.)Sleuth Hound Shop
69.)Suggestion Shop
70.)House Furniture Item Shop
71.)House Shop
72.)House Wall Item Shop
73.)House Misc Item Shop
74.)Mercuria’s Mage Shop
76.)Skull Crusher Shop (Can't buy unless you have special requirement)
77.)Three Little Wolves House Item Shop
78.)Black Knight Shop
79.)Moonwalker Shop
80.)Tavern Dwarfhold Reputation Shop
81.)Deady Shop (Can't buy unless you have special requirement)
82.)Jorxol's Drow Shop
83.)Mick Guyver's House Item Shop
86.)Good Alliance Contract Shop
87.)Evil Alliance Contract Shop
88.)Good Reputation Shop
89.)Evil Reputation Shop
90.)Enhancement Shop
92.)Pirate House Shop
93.)Nekomimi's Costume shop
94.)Kunoichi's Ninja Shop
95.)Dragonkoi Z Yokai Reputation Shop
96.)Obasaan's House Shop
97.)Obasaan's House Item Shop
98.)Mitsu Bishi's Shop
99.)Voltaire House Item Shop (Can't buy unless you have special requirement)
100.)DoomKnight Class Shop
101.)DoomKnight Armor Shop
103.)Beckett's Shop
108.)Mummy Mask Special Offer Shop (Special requirement not required :D)
110.)Deady's Treasure Chest Shop
111.)Deady's "Rare" AC Shop
112.)Starsword Breaker Shop

If I am missing any, please comment and I will update. Also, I will try to keep up with updates as much as possible.
Edit 10/24/09: Added Mogloween Seasonal 09, Mogloween AC 09, Founder Shop, Mummy Mask Special Offer
Edit 11/01/09: Removed Founder Shop.
Edit 11/14/09: Removed Bubble Shop, Toil Shop, Trouble Shop, Safiria Shop, Mogloween Seasonal Shop, Mogloween AC Shop. Added Deady's Treasure Chest Shop, Deady's"Rare" AC Shop.
Edit 11/17/09: Added Starsword Breaker Shop, Beckett's Shop.