Just in case you didn't know, there's cheap OPI going on Catch of the Day!
I am a little way of Catch of the Day, based on what I've heard and a couple of experiences - they've really let their standards drop lately! However, it still seems to be a cheap way of getting a bargain if you're not in a hurry.
If you're after a bargain on OPI, why not have a look?

PS - don't forget my mini-giveaway! :) xx