The 90% growth is from last December. NPD had it 732k in December 2008 so a 90% growth would be 1.38 million. Source says it should be around 1.35 million-ish which falls smack in the middle of EEDAR's and Pachter's predictions.
Edit: Actually my mistake. It's slightly below their predictions.
Wedbush Morgan Securities
Wii- 3,200,000
PS3 - 1,400,000
Xbox 360 - 1,350,000
PS2 - 350,000
PSP - 650,000
DS - 2,450,000
EEDAR
Wii - 3,000,000
PS3 - 1,450,000
Xbox 360 - 1,490,000
PS2 - 350,000
PSP - 350,000
DS - 2,800,000