Customising my xperia X10

Is there an app that can allocated tones to voicemail, SMS, MMS etc individually instead of a general notification?

I have an app that changes the color of my LED notification light depending on what I missed. I think it can do other things though, including sounds. It's called Missed Call and it has SMS and Call service, as well as BT (Bluetooth maybe?), calendar, application, airplane, and battery service. I didn't manage to find it on the AndroidPIT site for some reason, but do a search for it and you might find it on the Market. Here is the QRC

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Many thanks. Will give it a try

Regards