5. Shelves to put decorative items on, particularly wall-mounted shelves
4. Spiral stairs
3. Aquariums (as someone else suggested, something other than those bloody fishbowls)
2. A single tile non-fugly dining table

And my number one wish, probably impossible but I can dream, is...

1. A reworking of the guitar skill. I would be very chuffed to see the skill modded to be "Music" instead, and that would bring with it a variety of instruments, including drums, piano, a violin, a saxophone, a trumpet, and most importantly, a viola