Oh my, don't be discouraged. I've got a Canon Powershot A650IS, not as expensive as yours and I'm all about the bokeh and dof! I shoot in Macro mode ALOT and always in Aperature Priority mode on the lowest number it will give me. Here's a couple of examples:
Best viewed large.
Click here.
Here's another example:
View large here.
There are
plenty of great photos on flickr taken with your camera. Go
here to check 'em out!