Leopard freezes keyboards?

Reports are surfacing that a number of Intel-processor Macs, m ainly MacBooks and MacBook Pros, are experien cing inoperable keyboards when using the new version of Mac OS X, Leopa rd. AppleInsider is reporting th at users on their forums are complaining about the glitch, and that a lot of ot her user groups (even Apple's own) are getting posts about the problem, which h as surfaced after installing Leopard. The keyboard freeze seems to occur random ly with both older and newer laptops, and relaunching Finder o r restarting the system sometimes fixes the problem but not always, while drast ic solutions like PRAM resets don't do anything for it. External keyboards and onboard trackpads remain unaffected.