That's a lot of ifs. If the odds of each happening are say 80%, the odds of all of them happening is 33%. If you need all of them to be happy, you'll probably not get it.
For me, it's a no brainer already. I use a minimal portable rig (iPod + PK2) and have no need for anything with a DAC, amp, etc. For some people, this is the answer to their dreams. Maybe the latter is a large enough market segment for this to make a go.