australia day sydney cruise - which one?

[lizzie]

showboat

http://www.sydneyshowboats.com.au/

or tall ship

http://www.sydneybookings.com.au/productdetails.aspx?reference=austsf

for dinner cruise and fireworks?

showboat is half the price of the tall ship but tall ship includes more ... and the total experience.

can anyone recommend one over the other? i need to book this weekend.