Well let's hope these devices are stored with Tradehill so Yifu won't be mining with them for a while to make up for the cheap price like with batch 2/3.
Overall, it still seems odd that KNC has been dead quiet, but they are relying on an unpaid guest to be their mouthpiece. How does Bitcoinorama find the time and money to just uproot himself and hang out in Sweden completely pro bono living off 1 set of clothes? He is after all, a professional engineer and their time usually doesn't come cheap.
We definitely need to keep track of performance as more chips go. Perhaps the foundry process improves and there will be minor revisions to the chips as time goes on to reduce the HW errors and inconsistencies.
So it remains to be seen how much Hashfast will sell their Sierra chassis for then? Or would be able to buy empty babyjets to put the modules in as well?