Can't help but think that the lack of a normal wallet is part of the plan to keep ICO Ether off the market. these guys are supposedly geniuses and they cannot release a wallet for the working class joes to use on - gasp - windows?
Etherwall (
http://www.etherwall.com/ ) is one that you can use with GETH but use at your own risk.
And Kraken offers import of presale wallets/keys. There will be an abundance of GUI wallets soon enough.
Mining diff looks set to go over 6T in a few hours