First I thought it was just a wheel bearing. Now I'm not so sure. Has anyone had problems with driveshaft/gearbox bearings? The car is nearly at 100k miles and has worked pretty hard so far...
The car makes a metallic scraping sound when turning left at low speeds so I'm thinking it might be O/S/F wheel bearing. Taking it to Honda this week to get a diagnosis so will update this post as soon as I know more.