Let me count the ways:
1. They're Welsh!
2. Stylistic variation between songs! Examples:
3. Artistic growth over many albums!
4. Obscure origins!
Early years as Welsh-only band
5. Side projects!
The Peth (Myspace), featuring SFA's drummer, Dafydd Ieuan.
Neon Neon (Myspace), featuring SFA singer Gruff Rhys.
Acid Casuals (website), featuring SFA keyboardist Cian Ciaran.
6. Furry costumes!
7. Intriguing singer with lots of personality and smooth voice!
Gruff Rhys singing “Turning Tide”
8. Cool album art!
9. Non-English-language double albums!
10. Most importantly, great tunes!
"International Language of Screaming"
"Sidewalk Serfer Girl"
Some more samples of their work:
Just grand. Keep it up, boys! You add joy to my life.
p.s. Oh, did I mention lots of cool videos?