I'm playing this Alpha since 5-6days and I like the game very much. There are also many problems like moving trough objects or glitching throuh walls or gates. But the biggest problem I (2friends too) have is that the account/character I'm playing with during that time disappears after a disconnect, changing the server or logging out. By the next 'log-in' I have to start with a new character for no reason. And in my opinion, that's very annoying after playing like 10hours (or more/less) to reach and find the whole things.
That happened 3times to me and I hope that this problem will be solved!