ThinkPads, manufactured first by IBM and now by Lenovo, have long been trusted by Linux laptop power users. They range from the ultra-portable Raven X61s, weighing 2.7 pounds, to the well-balanced Toucan T61 and T61p. If portability is critical to you, then these ThinkPads, with full Linux support for ACPI hibernate-to-disk, are right for you. Also, check out the Raven X61 Raven X61 Tablet with the power of Core Duo and tablet features like handwriting recognition.