cityrat
I will of course download the demo - but can anyone comment on this vs Musescore and Notion?
I've been using Musescore on and off for a couple of years now and Overture for about three hours today. I have no experience of Notion though so can't comment on that.
MuseScore's big plus is of course that it is open source freeware. I find it's interface to be a bit clunky and, cosmetically, basic. The facilities for playback of your compositions is also very basic, being more or less restricted to Soundfont player. I would have to say that the Overture interface is a lot easier to find your way around. This is partly because of the superior layout and, as much as it shouldn't matter, is nicer to look at ! I have found that the actual note input process is easier than MuseScore, with a wider range of options and more control over the page appearance. Replay is far superior to MuseScore- you can scan and use your VSTs for this. I have been able to use my Garritan Personal Orchestra 5 VST as the playback device, including the keyswitching facilities. For example, in the background you can set up the pizzicato articulation symbol to automatically insert the pizzicato keyswitch each time you insert the symbol on a stave - cool ! There is also a reasonable level of MIDI editing available including a PRV view and a basic but functional audio mixer for the playback facilities; VST effects can be used if you need them. However just don't expect something with the degree of sophistication of SONAR/CUBASE/Logic etc.
As it's free, MuseScore is clearly going to be good value ! The full price of $249 for Overture is probably more or less justifiable in view of it's considerably superior facilities; at the current sale price of $75 on the Sonic Scores website (at the time that I'm writing the post) it's a bargain. At the $50 "Sonar special" price it's a no-brainer, assuming that price is still available, of course.
Bob