Sewing organiser

In an effort to be more organised, and create less chaos in my life - well in the sewing department, I've been thinking about making a portable sewing organiser.

My theory is that I don't need a lot of stuff for the basics bits and pieces that I do, those being; hand piecing, and hand quilting. If I have the basics with me, then I'm not locked away in a cold sewing room, or having to pull over my sewing box/kit to track down random items. Sounds good in theory :)

So - what do I want my organiser to contain? Hmm... I'm thinking:

• thread (1 spool)
• pin and needles (size 12 betweens for quilting)
• thimbles
  
• small scissors
• threader / cutter
  
• pin cushion
• quilting markers and refills
  
• mini ruler
• spare pocket for odd bits and pieces (like small quilting templates)
  
• mini "rubbish" bag, for used thread etc
  

Can you think of any other must haves? Remember I'm thinking light and portable.