Currently I have 2 notebooks and 2 desktops ( soon to be 4 ).
I had the same question you had before I got my first laptop which was about a good 6-7 years ago. Was it really necessary?
Well, turns out that its not "necessary" at first. You can do all the same things as you can do on a desktop AND these days for a high end laptop you can get the equivalent as a desktop for less ( maybe even for 1/2 the price ). So why buy it?
Laptops offer one thing mainly, convienence. You can take your work, games, music, whatever anywhere you go ( unless you're lugging around a 10lbs machine + whatever accessories, with a bad back
). After awhile laptop usage far outweighs desktop usage if you dont spend much time at home or if you're on the road a lot.
So I guess it boils down to, are you at home a lot? When you are outside, do you actually have the time to use it? For instance if you're just running around on errands, etc with no real time to sit down, then laptops might not be a good way to go. If on the other hand, you go to school or if you spend your time at the office a lot or something similar then laptop would be a good investment. What happens in a lot of cases is that you do your work, or play your games, whatever on your laptop and then go home and just upload them to your desktop. The desktop soon turns into a big file storing paperweight. :lol: