well people will recommend differen things. i recommend cubase. Industry standard producing tool and it kicks ass. reason is good too and its easy for people who have never dun neting b4 as u dont have to link shit up.
solely i would recommend cubase. I use it and i rewire it with reason. (rewire is linking both the progs together)
if u want some pointers on how to start out on cubase check the thread i made in the production forum. tis called cubase basics tips and tricks.
will give u all the info u need to start the program and start making sounds with it.