Ok here you go:
1.Nokia 3250: Excellent loudspeakers,the best which is implemented in Nokia sets yet,and swivel mechanism.Not to mention the latest Symbian OS.
2.Nokia 6270/6280:Go for 6280,if you want 3G facility.
Else,go for 6270,with 2MP camera,3D stereophonic speakers,sliding keypad design.
3.N91:Ofcourse,the best you can lay your hands on.The Nokia's N-pod!! Rest you know about it.