Resmed - N30 Nasal mask
Very light, least head straps, adjustable head strap, nothing protruding into your nose, easy to maintain. Size: small, small-wide, medium. *****
Resmed - N30i nasal mask
Tubing is on top of the head and can be swiveled above your pillow so it's out of the way, easy to clean, leaves very little if any marks on the face. *****
Fisher&Paykel - Brevida nasal mask
Fits under and cups the lower section of the nose. Easy to clean, quiet, single strap, little if any facial marks. ***