PC Mag checked out iRiver's 20GB H10 digital audio player, here's a short snippet from their review:

The original 5GB iriver H10 was designed to compete with Apple's enormously successful iPod mini, and it held its own in several areas. It was also much less complicated than its big brothers, the iriver H100 and H300 series. Now, with the release of the iriver H10 20GB, the company brings ease of use to its high-capacity offerings. Unfortunately, the compromises that the company made in enlarging the H10 leave out some of the best features of the original H10 5GB and the H300 series. And to make matters worse, iriver has discontinued the H320, so this is now its only 20GB offering..



Link: PC Mag