GMAT classes helped a lot! Or DID they?

[Twinzam]

<p>Anyone completed a GMAT class and can share any experience with the rest of us? </p>

<p>Was the program good or bad? Worth the money? </p>

<p>Please post!!</p>

<p>PS. how long are GMAT scores good for? 5 years? or does it depend on the school??</p>