Mac mini 1.5 GHz : update

Apple has sent to its certified Support Centers information related to the new Mac mini models.
To make it short, Apple explains that modifications are considered as minors and Apple will not communicate them to the public immediately.
Officially, the known Mac mini specifications are becoming the minimal specifications.
But we have good news, the reference numbers for Mac mini models have been changed, so if you want to play this game hereafter are the beginning of the serial numbers for each models :
YM531001TACG Best (M9971*/B) 
YM531001TAAE Better (M9687*/B) 
YM529022TA8M Good (M9686*/B)
In summary, till Apple has sold out its stocks, you will have a good surprise or a "bad" surprise when receiving your computer and checking out the serial number.