If you have any concern at all about hot liquids in your blender, I would highly recommend you heat up your chocolate after blending it to avoid any problems with glass blender jars or lids without that don't vent. (ourpaleolife.com)
The blender I have, which I like a lot, is made by Cuisinart, and it has both a big glass blender jar and a mini food processor that fit on the base. (fooddoodles.com)
The Multipro Sense FPM810 is Kenwood's intelligent food processor, featuring an auto speed function, Thermoresist glass blender and revolutionary Tritan ™ food bowl. (kenwoodworld.com)