so far, we've had the entire place painted, put up new light fixtures (to be perfectly truthful, Tom put them up- I just helped to pick them out), got the place recarpeted and cleaned, and got new appliaces delivered.
Small things do make a big impact- changing the paint color in the powder room made a huuuge difference, thank goodness! getting rid of the brass-and-bare-bulb light fixture (which you can't see in the before photo) also made a big difference in the feel of the room. Changing the wall color from white to beige and the kitchen appliances from white to black (to go with the black refrigerator we already own) also changed the feel of the kitchen. (changing from electric to gas was also a huge improvement, in my opinion!!)
we're moving this weekend, so there will be tons more changes- like our furniture finally being settled into the new spaces! I can't wait for it to be over with!! (thank goodness we're hiring movers this time- I'm already tired of hauling boxes upstairs.)