It's funny how people still prefer the units over their money back. I suggest some math and taking a look at the difficulty development over the past months as a comparison.
With Avalon just about outta the picture, at what exchange rate does mining with the Monarch--once shipped--make sense: e.g., $150; $175; $200; $234.56?
Actually,I hate to say this...........but it will work @ $130 + or - ,you decide

@ today's diff 65750060.1491 (500TH) & BTC price of $130
Coins Dollars
per Day ฿4.59 $597.70
per Week ฿32.12 $4,183.93
per Month ฿139.51 $18,170.23
@ diff of 262768000 (2000TH) & BTC price of $130
Coins Dollars
per Day ฿1.15 $149.56
per Week ฿8.04 $1,046.91
per Month ฿34.91 $4,546.57
@ diff of 525536000 (4000TH) & BTC price of $130
Coins Dollars
per Day ฿0.57 $74.78
per Week ฿4.02 $523.45
per Month ฿17.45 $2,273.29
Not deducting for electric,you can do that
