The versatile line 6 amps is one of America's best-selling family of guitar amplifiers. Many musicians love this amp because it has piles of presets and it offers more effects. It also comes with Line 6 Spider IV Edit software which you can download for ree at Line6.com. This software will enable you to edit presets, create backups, and even email tones to other Spider IV players. This is a very cool feature for sure. If you purchase this Line 6 amplifier, you can keep up with its upgrades and updates by downloading at their website.