questiontime

hi everybody, love this forum, would it be possible to find out how long usually can a NW-A1000 run for? my one goes only for 10 hours, is it too short? what can make it go longer? also in the CP library, as i tranfer the artists into the player, how can i make sure that i want certain album appear higher and before another album in the player, for example i have brian mcknight two cds one is back at one, another is gemini, is it possible to make back at one the first appearing in the player, then follow by gemini, visa vice, is it possible to order the appearing order of the albums in the player, sorry for the questions, i really apprecatie if somebody can tell me