Huion, a company known for making cheap graphics tablets, including some full-fledged pen displays meant to compete with the Wacom Cintiqs. To put the caliber of materials we're looking at in perspective, Scott Adams has used a Cintiq UX21 since around 2004 to draw Dilbert. It's equivalent today would be the 22HD, starting at around 2,000USD. Most of my artist friends use a Wacom Intuos of some variety, which go for between 200-300USD. I have an ISKN Slate, which has a roughly 8x5" drawing area and costs around 180USD. There's also iPads, which are becoming increasingly popular, but the software selection is still limited and doesn't give you the full range of tools a desktop solution would.
Huion's H420... is 30 bucks. It has a drawing area of 2x3". It's basically one step below those screens you sign at the grocery store when you use your credit card. However, someone at Huion decided to market the thing as a full-fledged graphics tablet on par with Wacom's budget-conscious Bamboo series (which go for around 100USD), and some artists took on the challenge. Ultimately, it's not the tools, it's the talent, but along with bragging rights and impressing clients, the advantage of something like a Cintiq or an Intuos is that you've got more room to work with for precise movements (the drawing area essentially mirrors you screen, so think about that trackpad on your laptop for an idea of the interface) and you spend far less time fighting the technical challenges than you normally would, letting you focus on the creative challenges.
I'll be using DeviantArt Muro, their browser-based drawing and paint program and post the result. Muro is free, widely-available, and has a playback function for showing a timelapse of the process.