I only take values from mtgox for now.
but if you have any other markets you think it will be good to follow send me a link to thier api and I'll do my best to add them
in a future version.
Suggestions:
1. Alerts if Bitcoins go above a user defined price or below a user defined price.
3. Add visual cue to alert window (eg: a green Bitcoin on price rise, a red Bitcoin logo on fall).
I'm planning on adding more notification types on the next version.
Changing the notification is a good idea I'll try to see if I can push it on the next version as well.