Unoffical sources claim that the N450 Atom clocking at 1.66GHz will carry a price tag of $64. The faster N470 Atom having a clock speed of 1.83GHz will cost around $75.
Currently the most popular processor for netbooks is the 1.6GHz N270 Atom. It costs just $44. Compared to this the new processors are expensive and will make netbooks costlier. The inclusion of Windows 7 will further push the prices up.