We finally have Lenny as Stable that happened yesterday and now the gave the news in the official site of this great Linux distribution.
Also Check out this notes
Where you can see that the new testing Debian is now code named “squeeze”, you can start upgrading your Etch versions to Lenny
If you have stable in your sources.list you will be getting the upgrade directly, just enter the upgrade commands, listed in the above post about upgrading.
You can also see in the official release note that this version of Lenny Stable is dedicated to Thiemo Seufer
I will wait half month or a month and will go to the new testing squeeze, in my Desktop PC.