It's pretty easy to buy. I went through 2-3 sites before settling on Coinbase, which accepts payments by UK Credit/Debit card, and once you're registered (license, passport) you can spend £1000 and raise your £500 weekly limit in just over 2 weeks. I haven't managed that yet but bought 0.25 at around $2300. I've actually spent most of it, but it's possible