Hi! I'm Alex from BitPOS (www.bitpos.me)

I can shed some light on the recent TestNet happenings perhaps.
We control the testnet address n2U7mXV4HFumkKLt7jz8LhNqKHMszTP39c - which received approx 25,000 coins today

We run a piece of (old) mining hardware on Testnet (and have been for the past month or so), to generate coins to test our POS system, and to donate back to the Testnet faucets.

For some reason (that I have no idea of...) - we received 25,000 coins or so in the last 6 hours.  Any idea why that would be? Thus far we have been receiving maybe 50 coins a day...