Personal preference. Try to see them in stores. Personally I like as low a resolution as possible, but that?s just me.
b) one battery or two batteries?
Depends on how long you want to be unplugged for. If you really need it longer than one battery allows, go for two. Remember that lithium batteries age even if you aren?t using them, so don?t buy a second battery if you won?t really use it.
c) intel's wireless card or other vendor's wireless card? (Btw, what's the diff between the two..other than the bands they offer)
No particular difference. Remember that the ?Centrino? label just refers to a system using a specific chipset, Intel wireless, and Pentium M. It?s not a processor (the Pentium M is the actual new processor).
d) Bluetooth or no bluetooth?
Depends on if you think you?ll ever use it, or use it regularly. I would have no use for it, but some people might have PDAs and cell phones they could sync with it. Apple?s Powerbooks can apparently use Microsoft Bluetooth mice, but I?m not sure if that?s possible on a Windows laptop or not.
e) How much weight does a bigger size hardisk add on? Does it add more noise? This is really becoming an issue for me cuz i want a big hardisk...but i want a quiet machine as well. Also light.
I wouldn?t worry about more noise or weight from a larger drive. There?s probably a SLIGHT difference, but there are going to be much, much bigger differences from that brand and model of drive, and from the system fans and things like that. On the desktop side, Seagate?s Barracuda V drives are amazingly quiet (like several times quieter than a lot of the competition). I don?t know for notebook drives though, and you usually don?t really have a choice anyway, they just kind of throw whatever in.
Probably for noise and weight you?re best off with either an Apple notebook (probably the quietest and lightest for full featured notebooks), or a Pentium-M based notebook. I think stuff based on the Pentium 4 or even P4-M has to have more cooling, which in general makes it louder. And read up on any particular models in message boards before you get one to make sure about the noise thing. A Dell Inspiron I had briefly a few years ago made an awful high-pitched wine, and I think I would have ditched it just for that (if not that I got rid of it for the crappy video performance, weird build quality, and dippy screen).
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