Thanks everyone for all the information. I was planning on purchasing a M series auto with heat or a cheap machine for travel and continue to use my Fischer Paktel 604 at home. Since i believe c flex and APAP will help me get a more restful sleep experience and when I am on the road I need to be ale...

I am curently using a Fisher Paykel Model 604 with a heated humidfyer.

I am new to CPAP and was not very willing to use the machine at first. I was diagnosed last May (2007) and just began to use the machine this May. Now that I see how much better i feel I am a nightly user. I have two questions for the group. Firts what is the best machine for air travel. I travel we...