Recommendations for a docking station?

hey all.
I need some advice. what is a good docking station for things such as an Iphone or an Ipod and so on? I need one that does not have a lot to it. It just needs to have built-in speakers, and to be able to charge my iPhone 4s. And maybe, even have a cord that will hook into the headphone jack. That's not a dealbreaker though. I would like something on the cheap side as well. If anyone has any ideas I would appreciate it. Thanks in advance.
Cat