Just bought one and the sound is very good from this IPOD docking station with flat speaker.
On-line it's advertised for £29.95, but pop down to your local store and become a priority club member (basically give them your e-mail address) and they'll give it to you for £19.95
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Best to call ahead, as Richer Sounds get batches in, and they sell pretty quickly. More batches come in all the time.