Is renting rigs worth it? Wouldn't it be better to spend the money and BTC to exchange for the coin outright?
We are getting really lucky this afternoon - 4 blocks in 3 hours now, amazing. For your amusement, here's my personal hashrate graph from when I was renting rigs last night:

i was wondering the same thing - but it does get more hash into the pool which is a good reason enough in itself....