Is Celebrity Concierge class worth it?

First off Celebrity themselves are great value for money. Their ships, (especially the new Solstice class), are amazing, (see my review here for the last time I was on the Eclipse), but it just seems to me that the Concierge service they offer isn't worth the money you pay for it;  but what do you think?

Cruise Line Cabin Grades – Explained

Well Christmas is definitely over!
I’ve been absolutely swamped this last week with people looking to sort out their summer holidays for this year. The surprising thing about many of these enquiries though is the amount of first time cruisers calling up excited to try a cruise for the first time.

Anyone who’s ever booked through Cruise.co.uk before will vouchsafe to you that we’re always willing to take the time to explain all the little details of a cruise to someone who’s never done it before, all those silly little things that more experienced cruisers take for granted. Like Onboard Credit, like Gratuities and like what the different cabin grades actually mean. I must have explained at least fifteen times over the last week what the difference between an inside, outside and balcony cabin is.
It did get me thinking though that if so many new cruisers are asking me what the cruise lines different cabin grades mean; how many are looking for the answers online?  So.........