Well I somehow expected it will happen to me when I started to use Debian experimental distribution, but now it really happened. I noticed that last Gammu upload went to unstable instead of experimental just when today updating my other development machine and I was surprised that Gammu is going to be updated. Well the version is not that bad, but it is far from being stable.
Anyway it is good for something - unstable users will do much more testing than experimental ones ;-).