months now, basically since the Unibody MBP's came out. First, the construction is just outstanding. The solidness of the enclosure makes the whole thing

use Moshi PalmGuard Macbook 13-inch Unibody and 13-inch Pro Palmrest Protector - Silver and it has prevented my palm area from cracking this time

white MacBook also now incorporates the unibody under its polycarbonate shell. The unibody provides strength, and I must say this notebook is very solid.