Gameboy Handheld: 3 Hardware Revisions. Sold +118,000,000 units. 10 years in the market.
Gameboy Advance: 3 Hardware Revisions. Sold +80,000,000 units. 5 years in the market.
Nintendo DS: 4 Hardware Revisions. Sold 150,000,000 units. 6 years in the market
Nintendo 3DS: 6 Hardware Revisions. Sold 17,000,000 units. 7 years in the market.
Looks like you're waiting for the 7th 3DS hardware revision too, m'I'right?
What I'm saying is... with those sales, and the desperate need of Nintendo to constantly make Hardware revisions each year... do not expect cool titles for the system.