People like to look at these charts and say "see, you can't tell how well a system will do from the launch."
Maybe so. A system can launch good or bad based on the brand, the marketing, and the supply.
What I'd like to look at is first 3 months vs. second 3 months.
You're going to see big drop-offs for the GC, XB, PS3, even a fairly big drop-off for N64 I think... And great maintaining of sales for Wii, PS2, and even 360.
"[Our former customers] are unable to find software which they WANT to play."
"The way to solve this problem lies in how to communicate what kind of games [they CAN play]."
Satoru Iwata, Nintendo President. Only slightly paraphrased.