Help rearranging furniture

Hello, So I have had my room set up give pr take the same for 9 years. Its time to change. Attached is a layout of how it is now, pics to follow if my camera agrees with me. I would like some tips on how you might arrange stuff in here. Thanks, and sorry my drawing is bad.

Layout: http://imgur.com/XP5Io

1:Closet

2:windows

3:door

4:desk

5:bed

6:small bookcase

7: dresser

8: comfy reading chair

9:nightstands

10:large bookcase

11:chair