Luxury Nile Cruises

I used the forums for technical assistance, and consultation ReviewCentre.com, and still can not find a complete, comprehensive, updated information on cruise ships, they can usually how I hotels. I can not even see if the list we've been offered is 5-standard 5-luxury or luxury 5-!
Our travel agent gave us select our own boat cruise on the Nile from below * "or like" *, so I would be grateful for any major successes and failures. Cheers!

I ra
Solaris II
The dawn of the Nile
Princess Sarah
Miss World
Carnival
Mojito
Monaco
Mirage
Royal Ruby
Nile Ruby
Nile Dolphin
Festival of the Nile
Crown Jewel
Beau Soleil
Nile Shams
Luxury Tour

Thomas Cook have a range of Nile cruise ships.
Kuoni are very good.
Sonesta I do not know, but we stay at Sonesta St George
in 2 weeks, Luxor, and is a 5 star hotel.
I think their boats are of a similar level.

the best I know is
http://www.sonesta.com/nilecruises/

I once took Al Nabilataan from Luxor to Aswan, and I liked it.