Which iPhone dock/alarm clock do you recommend?

Which, in your opinion, is the best small form factor iPhone alarm clock dock? I'm trying to decide between the following...

SoundFreaq Sound Rise

Soundfreaq > Sound Rise

iHome iD37

iHome iD37 Dual Alarm Stereo Clock Radio for your iPad/iPhone/iPod with FM Preset Station Memory

Panasonic RC-DC1

Panasonic RC-DC1 - RC-DC1 Clock Radio with iPod Dock - Overview