so many:
- animted sprites, no more static sprites or...
- possibly 3D
- customizable trainer
- full size towns
- more fire types
- pokemon say there names..no more growls
- something fresh..no more team ______ every installment or team rocket back
- longer journey to towns
- more pokemon charm!!! there loosing it with last 2 gens
- no 10 legendaries...just 1 or 2
- slightly more challenging