Amazon has two great options on Immersion Hand Blenders right now!
The Gold Box deal today is this Miallegro 9090 Mitutto 550-Watt Immersion Hand Blender, Professional-style for only $49.99 shipped. This has excellent reviews and is a high-quality option.
You can also get this Cuisinart SmartStick 200-Watt Immersion Hand Blender in Brushed Chrome for only $29.54 shipped. This is the model I have. It comes with less accessories, but it definitely does the job.
Pick whatever option is best for you, but do it soon! Prices at Amazon change quickly, so grab these while you can!