I think PoS will be very good for coin
Maybe it could help but it isn't ultimate solution for every coin like everybody thinks.Yearly inflation is around 2.5-3%. It will grow this way until we we can afford quantum computers So let's say this yearly inflation is safe for the next decade.
Teacoin has extremely fast transactions. This will never change.
Mining Teacoin now is just way to say thank you to miners keeping the blockchain moving. It also does not require much hash power to keep it moving. If everyone stopped mining today my 1.5 gh miner could keep it going.
We passed 400k blocks recently which is a great milestone