If you're looking for fairly easy online CPE, you can get it a LOT cheaper than that. I haven't used that site in particular, but know Thomson Reuters is a reputable company, so I assume it would be decent material (make sure it's approved for your state before using i!). However, if your goal is convenient and cheap, you can get better than that. 🙂
EDIT: Never mind, found their subscription rates – $300 for a year isn't that bad. The only rates I'd seen before posting were the per-course of $79 for 4 credit hours, which isn't good at all. However, $300 for unlimited for a year is decent. I'll still leave my post here, though, to bump the thread and see if anyone else has used this specific service.