Whether this will also affect the appearance of the new Hearthfire DLC on that console as well remains to be seen.
See Bethsoft Forums for directly-sourced information.
The situation with Skyrim DLC for the Sony PS3 console has worsened apparently DLC issues for this console are so far-ranging that Bethsoft is not certain they can solve the problem and it may affect all other DLC developed for the game.It will only be released once it is sufficiently debugged. PS3 version of this DLC has been postponed by Bethsoft because the developers are highly dissatisfied with its performance on that console.The Dragonborn will receive a crossbow no matter which side he/she chooses, but siding with the Dawnguard vampire hunters will provide access to a side quest to acquire new crossbow bolts (ammunition for crossbow/dwarven bolts Vampire Lords can hover over the ground and have special spells.
You can side with the Volkihar Vampire Clan, lead by Lord Harkon a Volikhar vampire lord and become a Vampire Lord yourself, or side with the Dawnguard.
