I bought Mixcraft and really like it. It's quite comfortable but it takes a bit of work to learn their way of doing things. So far most of the Sonar functions I need are there, with the exception of Ripple Edit. Most of those familiar features have a different set of commands than Sonar but you get used to it.
I also bought Reaper for those times when I need all the bells and whistles. By far this is most flexible DAW out there in terms of configuration. You can make it look and feel like a bunch of different DAW's. Very deep and very powerful.