Thanks everyone for the responses, they were very informative and helpful. I picked up my machine this afternoon and I have updated my equipment and I think I got the right products the only thing I'm a little unsure of is the software category. On the info sheet they gave me to take with me it says...

Hi everyone! Just wanted to introduce myself and ask a couple of questions. I'm 28 yrs. old and was recently diagnosed with OSA after feeling tired all the time for at least the past 2-3 years. I was told that I had 55 "episodes" per hour and that this was very high. Last night I had my second sleep...