2 technical question

Ok here i go ... i got dimension pro ... do i need kinetic 2 too to compose beat or is dimension just a more elaborare version. because if its 2 different software i'll get 2 of em just to have more dieversity.

second question ... what the hell is project 5 ... i mean i just orderer sonar 6 producer for my studio but i dont understand the use of having project 5 ... can someone explan it to me so i see if i need it ...

thx :)