Type of arduino??..

Dear all ..

i am making my final year project .. but i am facing problem that which type of arduino i should use for my project ..

here are the tasks of my project..

Task 1
i want to caputre a single image and send that image to any user via MMS using arduino gsm sheild.

Task 2
i want to switch ON/OFF any four appliances using SMS.

Task 3
i want to switch ON/OFF any Four appliances using DTMF during call.

can any one tell me which type of arduino i should use for my project in order complete my all three tasks??

here is a link

http://tinyurl.com/ll3sqfa

had to shrink , it was too long.

they will have answers on the other two questions as well

thanks