Have stayed at The Annex twice now and have thoroughly enjoyed both of my stays. The hotel is so well-situated near lines 1 & 2, and the area is also supremely walkable. The rooms are comfortable and well-designed - I love having a record player in the room and I love, love that the rooms have no carpeting. Being able to get what you need from the guest closet is also super handy. My partner and I were getting ready for a wedding and were able to grab extra towels, a make-up mirror, ironing board, and an iron as needed.
Oh, and the cocktails in the lobby bar are great!