Last Mass Effect 2 DLC Arriving March 29

Earlier this week, FaePuck clued us in that the next, and last, DLC for Mass Effect 2 was being teased already. Today we learn that the DLC, named Arrival, is to reach us at the end of this month, March 29 to be exact.
What will this DLC entail?
In Mass Effect: Arrival, Commander Shepard is sent to the edge of the galaxy to rescue an undercover operative who may have evidence of an imminent Reaper invasion that has been looming since the very beginning of the series. Returning and playing a prominent role in Mass Effect: Arrival is fan favorite Admiral Hackett, who is voiced by legendary science-fiction actor Lance Henriksen (Alien, Terminator).
As FaePuck noted, much of this was already hinted at during a leaked PSN update that gave us the name and achievements involved in the DLC. The mention of fan favorite Admiral Hackett will also likely bring many to question whether or not we'll see either Ashley or Kaidan, as both are also working for the Alliance; considering we've seen a further role expanded for Liara in the Shadow Broker DLC, I imagine many will want to know more about either of the other two love interests from the first game before we set off to the conclusion of the trilogy.
The game will release with three new achievements/trophies as applicable. The cost will be 560 MS or BioWare points, which comes to $7. The press release makes mention the price in the U.K. will be £5.49 for the PSN.
I suppose the question remains whether this will leave me as satisfied as Shadow Broker, which has been among the better story-based DLCs I've purchased and played.
Also, since it's Friday, have this video, which was brought to my attention by The Mary Sue. Pony Effect 2, adding rainbows and My Little Pony: Friendship is Magic to your Mass Effect 2 sound clips:






Oh my god! admiral hackett? Now i'm totally excited for this. Nothing can ever turn my mind away from thi...
...you win this round ponies...