Seems they both agree that it is an expensive semi-effective novelty that will appeal to some vertical markets and gadget freaks, but comes with a host of short comings that will drive you bonkers. David Pogue sums things up perfectly:
Meanwhile, Microsoft faces a tough competitor, the dominant player in the business-meeting note-taking market. It’s a rugged, crashproof portable that accommodates any writing implement, feels just like paper and costs .02 percent of a Tablet PC. If it’s prestige you’re after, you can even tell your friends that it has a fancy name: Windows XP Legal Pad Edition.