Finding a shop in Oslo that has a two-pack of Philips Hue colour light bulbs isn't easy. They like to sell them one by one, because they can charge more that way.
When I bought this system, IKEA Trådfri and third-party hubs didn't exist, or I might've got those instead; since they're way less expensive. Yes, LED bulbs are cheaper in the long run and I haven't needed to replace any bulbs in this system so far, but the upfront cost...