I'm using RPi 2Bs for my latest automation projects, the stuff I'm doing would run on a B+, but they're unavailable from most resellers and more expensive than a 2B from the places they are available.
My latest 2B (ordered on Saturday from CPC with a 2.5A power supply) for a total cost of £36 (inc VAT) and arrived on my doorstep at 14:00 this afternoon. I had it booted and running by 14:20.
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