I think the price is just ok, if
- Sounblade is as good as it promises
- it includes the rumoured plugins
- there is a direct upgrade path to SonicX for only the price difference
- SonicX (for surround) will still be considerably cheaper compared to Sequoia (currently 2500 Euros?), ie below 2000 Euros, and offer a similar feature set.
I also expect Support to be professional, like it is with Sequoia.
There is absolutely no question that Sonic will be directly competing with Sequoia. Since any new Mac should be able to play just fine with Sequoia (by booting Windows), Sonic has to be better, cheaper, and just as professional.