Has anyone been on the Carnival Liberty?

has anyone stayed in an interior room with porthole or picture window? if so how's the space in the room? Is it bunkstyle beds or side by side? what's the best excursion in Cozumel for seeing the ruins without going to the ones with a lot of steps? Is there a tequila factory there? what about grand Cayman? has anyone been to Hell? How are the rumcakes there?