Online

Punch is a web site that has articles and inspiration on everything high-end cocktails.

Crew Supply Co. is a great place for your supply of bottles for batching, citrus and anything else you are making.

A site you may not use a lot, but a good resource for finding some of the more random party items with a bunch of options.

Webstaurant is a great web site to find commercial quality items from serving to storage.

A great recipe site for inspiration, and some of her pre-recipe narrative is actually good. And great photography to go with it.