So, since Saturday I have my Parallella 2 board arrived. It was a long way, since the moment I became Adapteva's backer at Kickstarter.
It's indeed computer the size of a credit card, significantly more powerful than Pi. The one I hold in my hand has 16 CPU cores in its Epiphany accelerator. For $119, it's quite a deal. I plan to put it to tests/benchmarking shortly and will update those interested with the results.
I wonder, does anyone have plans on providing Parallella-based dedicated hosting, or CPU power rent as a service?