In instances where the text appears too small, I usually have the option of making it bigger or zooming within the application itself. Well, the thing is, it's always been like this. With a fixed number of discrete pixels, you just can't change the physical resolution of an LCD screen. Hopefully we'll get this technology on PowerBooks some day. In the meantime, Christopher McCraken posted a shareware solution on the Apple discussion boards using the apps SwitchRes and SmoothType , though the result may not be as ideal as desired.
Some people find it annoying, but maybe they work in a sound proof vault.
It hasn't bothered me, but it would be nice if there was an option to shut this off for the other folks. Anyway, it's normal. It's not desirable, but it's a fact of life that things get hot when you cram a modern CPU and its running gear into a low profile case. You can do a line test by dialing into a service provided by 3Com, and the details are on their website . This is another common thing with laptops, especially those with keyboards that pop off for internal access.