it is not profitable to buy mining machinery
This made me laugh... literally. It reminded me of many conversations in #eligius on IRC and Luke would tell me nonstop to quit buying miners as they will never pay for themselves.
4 years later I am still retired at 47 and running a 600th/s farm of BTC alone. Not including all the L3's, D3's, and over 100 gpu's.
I get what your saying as the old saying of "People selling the shovels make the real money, not the miners." and historically this is correct. BUT..... this isnt the gold rush of the years past.
The difference is you have to have patience when mining and not be in a situation where you must sell just to pay the bills.
Scrap'
EDIT: For Clarification, I am in the US, and pay .09 electric.