I had the opportunity to use Xocai's Chocolate Protein Powder for the Protein Bar episode on A Fresh Take. There are some good protein powders out there and I believe this is one.
In addition to being chocolate...this protein powder is full of nutrition. Omegas, antioxidants and so much more. Its made from a high quality chocolate. Not all chocolate is created equal and you can get some really sub-par products, but Xocai is a higher end cocoa. The protein powder mixes well in smoothies, without leaving that grittiness that you can get from some powders. it also works really well in other recipes, such as the protein bar.
Get yourself some and start packing more nutritional punch into your smoothies and snacks. There are quite a few other products you should check out to help you get all of the health benefits of high quality nutritional chocolate. You can get some from Esther Sollee here: firstname.lastname@example.org http://mxi.myvoffice.com/estherdaniel/contact.html