Our hardware producer had an unfortunate error in the finalization of the cases and we needed to run a completely new production batch so were again in a delay, a company spokesperson told newsBTC on Thursday evening.
http://newsbtc.com/2014/02/06/trezor-bitcoin-wallet-delayed-due-production-error/ Sounds like it was not their fault but sadly a manufacturing error has forced them to delay delayed shipment. Hopefully we can get an updated ship estimate soon.