What sort of things do you run on the laptop?
main programs open all day and open simultaneously:
-at least 10 browser windows
-at least 2 or 3 word documents
-at least 2
surfulater databases
-onenote
-evernote
-outlook
-thunderbird
And thats if i'm not doing anything special that day. Sometimes I also have:
-dragon naturally speaking (voice recognition)
-canon g3 tethered taking pics for my digitizing station, running ABBYY finereader OCR on the pics, and using calibre or etc to convert the resulting ebook formats.
(But when doing the above I dont have most of those other windows open.)
-occasional netflix streaming (tho i have a roku box now for my tv).
You'll notice - no real multimedia most days except for occasionally. I dont need a multimedia machine, just a multitasking machine. I deal with text -- vast amounts of text - most of the day (notes, documents, emails, research)
I adore when my programs open instantly, switch instantly,update instantly, (its a train-of-thought issue, dont want to lose it), and when the computer turns on very very quickly (yes i use hibernation most of the time).
TO me thats useable if its also in a 2 or 3lb package and a minimum 12" screen (I prefer 13 or 14). If its in a 2lb package i'd also ditch my sony reader and cuddle up with the tablet. Over 2lb i cant cuddle up with it.
Also: Bells and whistles running in background - a ton of stuff, starting with a
massive autohotkey script that runs at high priority. I likes me productivity utilities.