As a graduate of Full Sail, and an audio professional who was trained in Pro Tools 6.4, I see both sides of the coin. Yes PT HD is expensive, but do you really want to replace an $80K tape machine with a $500-$600 firewire interface? Not in a commercial facility. You want the replacement to be as good or better, not necessarily the cheapest route.
When I upgraded our old system, 2 Alesis HD24's feeding a Yamaha 02R96, to MOTU PCI424 with 2408Mk3 interfaces, after some intense tweaking by Sonar 7 we had a very solid system, then came the upgrades.
You talk about marketing...I was completely content with the stability of OUR system on Sonar 7, 8 got rocky, and 8.5...well I haven't used it since a crash that led to sending 12 singers home and wasting time and money. S8.0.2 is working fine now and that is what i need, stability.
I wish there was more time between releases, I know CW doesn't, that's not their agenda.
I love Sonar and it's workflow, even being trained in Protools, which is why I don't understand what all the negativity so many have on either side, PICK ONE AND JUST MAKE MUSIC, who cares what you use, as long as the end result is good tunes and/or post prod that enhances the viewer's/listener's experience.
For perspective, i just finished work on a DVD release, and all of the editing was done on an iMac with an MBox mini, with PT LE 8 with the DV toolkit, and a Focusrite Contol24, and 3 FW drives daisy-chained(picture, SFX, audio). While editing I was running PT8, 2 search engines for FX, MS Word open for my cues sheet reference with internet enabled. A very stable system running 60+ tracks, from 1 drive(audio), that still got hung up and needed the occasional reboot(only happened once in 7 days).
All in all PT is great and Sonar is great, as long as they are working....