best deal?

[honeywell]

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I am trying to get one of the following

dat achiever
ace the dat
dat professor

which one is the best?

 

[Flipper405]

I am trying to get one of the following

dat achiever
ace the dat
dat professor

which one is the best?

I heard ace the dat has a good PAT section, but not so good for the rest. Don't know much about dat achiever. Dat professor doesn't seem that good based on its sample questions; but I may be wrong.