You can do it from the convenience of your laptop - get bitcoins from Coinbase and send them to the dice site. With Instant Buy, you can get $1,000 instantly.
Believe it or not, outside the tech bubble that is HN (and likely you peers and associates) that is a high barrier to entry. Bitcoin's troubles gaining widespread acceptance extend beyond price fluctuation.
I mean, it obviously isn't, but if you are willing to ignore the "acquire an Italian sports car and know how to drive it" part...