Originally Posted by $ilent
How much money would that ASIC cost and how much will it make mining cam51037?
Well, first things first. If you're thinking of buying one don't do it, at least if you expect to make any money. It's far too late in this game to make any money from mining now if you have to buy equipment. For example, if you bought a Jalapeno today, and if it shipped in ~2 months (what BFL is saying right now, quite possibly longer than two months though, they've had huge delays in the past) and paid $275 (what their price is on their site) and let's say it delivered in December 2013.
Here are some numbers courtesy of The Genesis Block mining calculator:
You'd end up around $262 in the hole if the bitcoin network continues it's difficulty trend, which is extremely possible. Currently it's increasing at 100% per month, or about 30% every 10 days.
So it would make around 0.1 BTC give or take a little bit if it was delivered in December 2013, until power costs would overtake how much it's making. I used a 30W preset for a mock set-up: A Raspberry Pi with a Jalapeno connected to it would take around 30W at the wall.
So my advice: Don't buy one if you're looking to make money. If you want to buy a miner for fun, look at USB Block erupters. They're around 0.15 BTC (if you're in the USA free shipping too!) and do around 333MH/s on stock settings. They'll still lose money, but not as much and are a great introduction to Bitcoin I've heard.