The lights that were built into the front of the tower speaker cans were very poor: when under power they simply shone up into the sky so weren't much use really. I'd advise against them based on my past experience.
The newer ones are far better; though I have seen the lacquer on them peel quite badly so it may be worth looking at an after market alternative. If you pick wisely you'll find something cheaper and better whilst looking 'factory standard'.
Roswell are doing some beautiful LED Tower lights now and I'm sure there are stacks of other manufacturers with similar items.
Hope that helps and congratulations on the new boat! I'm sure you'll love it...