Gadgets for other character (Dimitri, Panda king, Guru....)
6.PSN Released gadgets (for in-game money of coarse)
7.Newer Gadgets for Sly, Bentley, Murray
A smoother gameplay
9.Downloadable levels (like Halo, I think)
10.(Maybe) Customizable characters??
12.</strike>Replay levels (like Sly 1 and Sly 3)
13.<strike>Better Graphics (I think they are already doing so.)
14.A Great story line
16.A teaser into another series
17.New Ancestor's for Sly
18.Revealed Ancestor's for Bentley, Murray, and Carmelita
19.Revealing Connor Cooper's Face (Sly's Dad)
20.Pickpocketing for all characters (except Carmelita)
21.Freeplay for all characters (except maybe Carmelita)
All character's from cooper vault are playable.
24.New and Old villains.
25.An amazing final boss (like Sly 1).
26.Side mission Gadgets
New form's for the gameplay (example: Sly's gameplay, Murray's, Bentley's.....)
28.Citizens (like those in infamous)
29.Slowmo attacks (like infamous 2)
30.Cars (like those in infamous)