Nutrithority

Customer service is great, always a quick response. Great price and lots of features to use. I'd encourage anyone to test this one out first, I don't think you'll want to find another one.

Works great for options - literally the only program that allows me to 'bundle' different items for customers. Customer support was great as well - dug into a minor issue I was having after switching themes and helped me figure out it was all my own problem but they fixed it and even improved the look of everything. Highly recommended.