Maybe a bit offtopic..
but for Ipod (Archos, Iriver) users, who want some advanced settings (and more) I suggest Rockbox.
http://www.rockbox.org/, an OS for MP3 players
Key features:
Support for over 10 Sound Codecs, including OGG and FLAC MP3 and WAV only
Gapless playback (with lame -nogap)
5-band fully-parametric equalizer, and crossfeed
High-resolution volume control, 64-100 levels (model-dependent)
Advanced crossfading
ReplayGain support (volume normalization)
JPEG image and text-file viewing
Doom!
Real Time Clock (RTC)
Customizable Tag Database
Unicode support
Advanced On-The-Go playlist creation Multilingual Interface - 30 supported languages and counting
Optional fully voice-driven interface
Many plugins - games, apps, and demos
Abilty to create your own themes or use user-uploaded ones (Fully customizable - fonts, backdrops, while-playing screens and more)
But WARNING, it's not
as stable as standard OS (It works fine tough)