HUGE Maya wrap fan over here. I've worn out one, and about to wear out another and actually repaired the first one w/ a light cotton gauze. I love that it's my back carry, front carry, nurse and walk sling, and i also use it as my cover-up in public for nursing. in fact, i usually am nursing a mostly sleeping baby (or totally sleeping baby) while shopping, walking, at church, in people's houses, and people want to *see* the baby..... and i try to nicely discourage them. unless they want an eyeful. but it's great for traveling b/c my kids don't like to have their head's covered by blankets, but they get used to nursing strapped close in the sling and they don't try and expose themselves. also, they sleep EVERYWHERE, so new baby naptime is never an issue, they just nurse off wherever and whenever. Hubby also loves the Maya wrap (I need a M, but was given a L, so it fits hubby better anyways) and has given sermons w/ baby head on his hip, shopping, walking, you name it, he'll carry that baby anywhere in the maya!
i have a mai-tai, a maya, and a long woven wrap. i would like an ergo for the bigger babies, but it's never happened. i use the mai-tai and maya for back-carries when baby is about 6-12 months old. and the long woven wrap when baby is bigger. but for nursing convenience, nothing beats the maya.