K.G.
Hi T., I'm an interior designer so I have lots of ideas!:) A couple of things to consider...if you have the budget to add a bathroom in the attic it will increase the resale value of your home plus make it a lot more convenient for you. Even a 1/2 bath would help, but a 3/4 bath is best for resale. (of course you would legally need permits). Also, although skylights are great for adding more light, they can also let in a lot of heat and cold air. Even though you're installing HVAC it will still be hotter in the summer and colder in the winter than the rest of the house. So, if you do put in skylights make sure they are well insulated and are coated so the light doesn't fade stuff in your room. (Same goes for windows). Depending on where the chimney is (if you have one)maybe you could split the space up and have half for storage and half for bedroom or build closets into the sloped part of the walls. Good luck!