Update: Nearly 6 months experience with my FS 550I'm still quite pleased with my purchase of the Sony... but what makes it nice is an extended life battery... and battery life really was the problem with this laptop from the get-go. I get, on average, 2.5 hours with the OEM battery and 3.5-3.75 hrs with the extended life battery. Six hours split between 2 batteries is okay by me.
I like the ergonomics of the 550 (the keyboard is probably one of the best I've ever experienced on a laptop)... the HDD is quiet, it plays the games I like very nicely, stays cool and has a quality LCD screen I am delighted with every time I use it... and so are the large number of people that routinely comment on the quality of the LCD panel - "so sharp and clear" is the comment most often heard. <I still think the Fujitsu N6010 has the best LCD panel I've ever seen, but the Sony runs a very close second>.
So... is this laptop "perfect"?
Nah... of course not... no laptop is perfect because end users needs differ.
However, this laptop has, for nearly six months of hard use (and a few drops but with no broken latches), worked better for me, and with FAR LESS PROBLEMS than the Gateway, Compaq and Dell laptops it has replaced.
That's my take on the FS 550... terrific machine, but ya need an extended life battery to get to that 6+ hour wireless life we all strive for.
Now... all that said... if I could have the Fujitsu N6010 weigh in at 6.1 pounds instead of its over 10 pound heft, I'd be ordering one right now... but I'd be ordering a spare entended life battery as well.