So, I finally went through all the demos available, have my purchase decisions finally made.
Sports Champions - as everyone saying its a MUST HAVE title. Great precision, hard to master on highest difficulty, excellent versus experience. Table Tennis and Disk Golf both very, very responsive and also, whats even more surprising, fun.
The Shoot - my first shooting experience with Move and a good one at that. I'm especially happy that it can be played while sitting, and you can push the responsivity of the controller as high or as low as you like. So you can jump around if you want, but also you can sit and do only very slight wrist movements - with very satisfying results. Score attacks also addictive and special moves really spice things up. Did not encounter any cursor drifting so far, great old school light gun fun overall, a definitive BUY if you like such games.
Start the Party - only game that all my family (wife and 5yo and 2+yo kids) can enjoy, so a buy for me. Very responsive, no noticable lag at all, but only fun with competition - classic party-only game. So recommended BUY for families, otherwise its get boring pretty fast.
TV Superstar - erm. Only good thing so far is a Russian voice over in the game. Pretty hillarious at times.

Otherwise too complicated for my kids and too stupid for parents. AVOID.
KungFu Rider - omg, this is so bad. This was the first game I tried and I was so dissapointed that I even thought about selling Move for a minute. Excessively complicated and not really responsive controls kill all the enjoyement for otherwise appealing concept. The game would do better with DS3 control and PSN release. AVOID like a plague.
Echochrome II - if you liked first Echochrome - get this one. Move implementation is solid and puzzle are very enjoyable. They also seem to be not so hard as in the first game (fuck you, perspective jump). BUY for puzzle fans.
Beat Sketcher - nothing can be said about it so far. I couldnt produce any interesting tune, and demo has no goals, so pretty pointless. Controls are ok, though interface is as bland as in Antons demos. Work in progress obviously.
Tumble - damn, I need a 3D TV for it to get a better feeling of perspective. Excellent full 3D controls, involving multiplayer. A bit too complicated for my small kids, so I'll wait with purchase a bit, but its really one of the best Move games at launch. BUY.
EyePet - main reason why my family was waiting for the move. Patch to EU version is 2GB, installs as a separate game in the game folder, but to launch it you need a Eyepet disk inside, otherwise its starting in the demo mode.
Well, controlling the game with move made it 10x time more enjoyable. Our previous problem was that original game worked badly in the evenings, since our lamps are not bright enough. Now the game works in the total darkness even (excluding the parts where you must interact without controller, of course.) You can draw, have a couple of new toys so we are satisfied. Unfortunately, no new challenges were added, which is a shame.

Still we'll play it for another year. Guys in US - this is an excellent Christmas present for your kid between 2 and 10 years, BUY.
Also tried a bit a high velocity bowling after move patch - now its much easier to apply spin on ball, but control of the degree of spin is still hard, maybe it will come with practice.