In the area of general suckiness, "whodisbe" is correct--hardware is hardware, and it ALL has problems from time to time.
Having said that, my experience with IBM ThinkPads is that they are generally superior to just about ANY other PC-based laptop. They're VERY sturdy (thanks to their composite covers, my old TP has survived a number of drops quite nicely), relatively quiet, have lots of thoughtful features (like a button to instantly turn off the display without having to wait for the power-saving feature, a built-in keyboard light, etc.), and very reliable.
What makes ThinkPads suck is Windows; and while XP is, by far, the most stable and reliable OS that MS has come up with, XP is still lacking in the overall XPerience due to poor third-party hardware & software, and a lack of imagination on the part of MS's programmers.
I won't go into the whole security thing, because the simple fact is that if we had ALL been using MacOS instead of DOS/Windows, all the hackers out there would be writing MacOS viruses and exploits right now. The only secure computer is the one that's turned OFF.
Having said all of THAT, am I still trashing all of my PCs and buying Macs? Absolutely.
The ThinkPad Who Came To Dinner