I've not used these bulbs but those of you who are interested in dimmable lights - it might be an option worth looking at.
http://www.gelighting.com/au/lighting_applications/downloads/ps_dimmable.pdf
Make sure you watch this classic ad from an OZ company who sells these GE Dimmable CFL bulbs.
http://www.youtube.com/watch?v=0wp-RhOU9f4
They also have some nice LED options for wall lights etc.
http://www.energysavinglighting.com.au Victorian based.
Steve