www.cpaptalk.com this is a great forum of experienced CPAP users helping other CPAP users. Many people have been where you started and have come to accept, adjust and successfully sleep with their CPAP gear. This is a must read for newbies.
Sleep Apnea Blog a great site to understand a first person's account of their many trials and tribulations adjusting to using CPAP successfully
American Sleep Apnea Association this site is developed to enhance the lives of those with sleep apnea. There is a wide variety of information available here.