You can go for Nokia:N81, 6110 Navigator, 6500 Slide, N76, N73, and many more
Sony Ericsson:K850i,W910i,W890i,and many more.
If you want a camera phone, go for SE K850i
If you want a great music player, go for W910i,W890i, and N81
But overall, just go for "SE K850i". Great camera phone, nice music player, and longlife battery