Mostly means, that det '.' key on the numerical keyboard hangs. But anyway, who uses that part of the keyboard nowadays, except if you work in a bank?
Now, the drunken bastard has the model number A1243 and the EMC no. 2171. It is apparently made in 2007 (judging from the very very small text at the back, I think I threw away the package). Dunno if this has any implications...