Since my FH and I couldn't really decide on 2 or 3 colors we liked for our wedding, we are going with 6 colors. It will either look awesome, or awful. Haven't quite decided yet.
I am going bridesmaid dress shopping with all 6 girls tomorrow night. This will be the first time most of them will meet my FSIL, as she lives out of state. Most of the others have met at least once, except for my one niece.
Our color palette is pastels. I found an ad in a magazine (which i can't seem to find online) that had 5 girls in knee-length pastels, yellow, blue, purple, orange, pink standing next to each other and I thought it looked cool. We are going to add in a lime green, which I think will be ok. Then, each girl gets to pick which color she wants. No one can double up. The groomsman they get paired with will wear the same color. One our bestmen thought that sounded good, until I let him know that he'd probably end up in pink. Now he's not too excited about that.

I'm not going to be real picky about the style. I just know that I want something close to tea-length and similar fabrics, but they can pick whether they want straps or not. The shop we are going to carries the Allure line, and I know there's a few in there that I like.
Hopefully all goes well, everyone gets the color they want, and it doesn't cost them more than $150 each. May be wishful thinking.