Recommandation of ARM MCU - HELP

Hello all.
I'm new to this wonderful forum, it's very exiting to see such an active forum for MCU's like this
I have a tech q: i'm looking for an ARM based MCU for System Control, that would have the following peripherals:
4 A/D Converters and 2 D/A Converters, each one with at least 12 bit, and a sampling frequency greater than 150 kHz.
it is very important that the CPU core would be ARM based.

I would really appreciate any help, even in the form of a website that would with a list of all the available MCU's in the market, since I haven't found anything like that yet.

Thanks a lot,
Roy E.

I did not look for details to see if these will work. I am saying that if you get a MCU it is hard to get started. So get a "board" will all the parts. Getting started is much faster.
https://www.sparkfun.com/products/13736
https://www.sparkfun.com/products/11589
https://www.sparkfun.com/products/14058
https://www.sparkfun.com/products/9564
If you were at my house I could give you one of these: