The packing list Ngaire posted for the 2010 trip is practically identical to what I have in mind to pack and should easily come in under the 44 lb. limit. Alice and I will each take less than what's on Ngaire's list and will only have a backpack and carry-on each. Maybe Ngaire will have follow-on thoughts, but here's her post from 2010:

Quote
Originally posted by Ngaire:
Clothing

Ngaire
Daytime wear:
2 or 3 pairs of safari pants (quick dry)
1 pair of shorts
4 short sleeve Tee Shirts
1-2 long sleeve Tee Shirts
Hat - safari
One windbreaker
Wear my walking shoes on the plane

Nighttime wear:
2 sets of travellers - black pants and shell
3 - 4 tops
1 pair of black sandals

Ken

Daytime wear:
2 or 3 pairs of safari pants
1 pair of shorts
3 safari shirts
Hat
One windbreaker coat
Wear walking shoes on the plane

Nightime wear:
1 or 2 pair of washable slacks
3 - 4 nice shirts for evening all washable
Brown Shoes

Socks, underwear, toiletries etc of course. I may throw in our "Egytian outfits" Ken looks great (not really) in his flowing blue "dress". They had a night to dress up on the ship in local wear and we already have it so I MIGHT bring it. You can buy an outfit for a pittance with the local vendors.

Cut down on the SHOES that is what kills you.
I also bought a lot last time in Egypt so I want some space. Cant remember what I bought but I know I was STUFFED when I came back.

Our problem is our carryon will be FULL of cameras and computers.

Would love to do carryon and probably could do it but we may take our regular suitcase - possibly just one. Just have to see how it works. I like to have half empty suitcase so you have plenty of room. Never leave with a full suitcase.