The AVR Dragon sets a new standard for low cost development tools.
AVR Dragon supports all programming modes for the AVR device family.
It also includes complete emulation support for devices with 32kB or less Flash memory.

Programming Interfaces
 - In-System Programming
 - High Voltage Serial Programming
 - Parallel Programming
 - JTAG Programming

Emulation Interfaces
 - JTAG
 - debugWIRE

The AVR Dragon is USB powered and is capable of sourcing an external target.
A prototype area allows simple programming and debugging.

The AVR Studio online-help contains a complete list of supported devices.