No extras in mini-suites - only in suites.
Only possible extra serviceis that the bathrobe and a starter bowl of fruit are in the room (with a form for refills that you hang outside your room door with your room service breakfast order); i.e. you do not have to ask for these - but they are free anyway even if you do. There are wet bars in mini-suites and suites but not in staterooms.
Suites get complementary soft drink and beer in fridge and priority disembarkation if you have to use a tender and separate check-ins for embarkation.
Except for suites with free can drinks, all other fridges are empty other than for the ice bucket.
We did pay for a "grand occassion" package which we though was worth the price. We were not celebrating anything special (other than the fact that we were going on a great vacation). Really depends if you like all the little extras yourself, which we did, as to if this package is worth it. It includes
a) 2 new fluffy bathrobes (much thicker and nicer than the standard bathrobe) still wrap in its plastic cover which you take home with you
b) a bottle of Dom Perrignon champagne (was $100 on the room service menu)
c) a different choice of canapes, chocolate dipped strawberrys, pettit fours delivered to your cabin every evening around 5 pm - great if you are dining after 8pm
d) one free portrait picture and frame (both in the larger size option)
e) visit on the bridge (normally held on a sea day)
f) one champagne breakfast (you get the standard room service breakfast with half a bottle of Moet Chandon champagne - I did extra excited seeing a whole ice bucket coming in and was then dissappointed when i saw it was only half a bottle when I pulled it out of the ice. Still, at least we did not have a hangover all afternoon)
I would not put too much faith in the cruise personaliser information reaching the room steward. However make friedns with your room steward and you will get great service. Just remember that the more experience room stewards work where the more expensive rooms are. However, playing the game, if you decide to choose an inside room which is opposite a posh suite, you will still have the same experience room steward servicing your needs.
Have a great vacation