Things to consider when comparing Tablets
Levels of sensitivity: This determines how many levels are between the hardest and softest press of the stylus. It measures how accurately the tablet responds to pressure. The higher the number the better. 2048/1024/512 are current standards. 1024 or more is recommended.
Tilt Sensitivity: This feature allows the tablet to track the 'tilt' of the stylus, allowing for more natural strokes. This is a desired although not deal-breaking feature for the digital artist.
Resolution: Read
this regarding resolution.
Stylus: Stylus ergonomics are a personal choice. Some stylus need batteries making them both heavier and more problematic than their battery-less counterparts.
Tablet Manufacturers
Wacom
The market leader in tablet technology. Due to their small size, Wacoms Bamboo line are not recommended as they promote drawing from the wrist and carpal tunnel.
Purchase a larger lower priced alternative below as opposed to a Bamboo if you are constrained by budget.
Monoprice
Least expensive of the Wacom alternatives. The Monoprice stylus needs a battery making it heavier than Wacoms offering.
Huion
Another Wacom competitor utilizing a battery in their stylus. Budget-friendly and appealing designs.
Vistablet
Wacom competitor featuring a battery-free stylus. Higher price point than other Wacom competitors.
Yinova
Another major Wacom alternative specializing in LCD Tablets.
Tablet Reviews
Uberzillas Budget Art Tablet Reviews.
Uberzilla reviews both a Monoprice and Huoin tablet.
Yiynova MSP19U Cintiq Alternative
The Yiynova MSP19U Cintiq Alternative
Tablet Utilities
Tablet Pressure Curve Tool
This application is designed to improve experience with Wacom tablets. (PC)
PenPressurizer
This application is designed to improve experience with Wacom tablets. (MAC)