2. No, we just went from 2GB to 3GB to 4GB. It'll be a while before the Intel notebook chipsets support more than 4GB because 4GB is 2^32. Probably 2010. Until then 4GB will keep getting less expensive.
3. Maybe 2.8MHz in January, but I think that's optimistic.
4. 7200rpm drives use more power, so they won't be standard but will continue to be an option, eventually reaching 200GB.
5. With Resolution Independence, we'll be seeing higher screen resolutions. ...