If you have been following the Bitcoin developments over the past few years, one of the biggest concerns among miners has been the increasing difficulty. As we all know, the higher the difficulty, the longer it takes to mine Bitcoins (or parts of it).
One of the solutions for this potential issue has been investing massively in hardware. On the Bitcointalk forums, you can find pictures of people’s mining rigs consisting of anywhere from a few, up to 50+ graphics cards, all hashing away. Keep in mind, that those cards are not cheap, and you still have to pay the electricity bill afterwards.
Read more here:
http://www.cryptocoinsnews.com/2013/09/04/bitcoin-to-asic-or-not-to-asic/What do you think?