Thanks everyone for your feedback, and I'm sure my wife would also thank most of you for not suggesting to spend more money on the Arc'Teryx pack. I weighed most of my gear last night and before food and water, I came out with 18.5 lbs (plus my sandals which I forgot to weigh):
shadow 4500 pack - 48oz
skypoint 1 tent - 36oz
delta bag - 37oz
downmat 9 pad - 33oz
whisperlite stove - 12oz
fuel bottle (filled) - 11oz
kitchen items - 12oz
mini works water filter- 14oz
2L bladder - 6oz
thermadry ls shirt - 6oz
fleece shirt - 8oz
nalgene & cup - 11.5oz
epic pant - 7oz
epic jacket - 13oz
extra socks & drawers - 5oz
bath items - 6.5oz
sandals ?
lights & misc - 21oz (headlamp, knife, rope, cards, lighter, etc)
pack cover (if wet) - 6oz
balaclava (if cold) - 3oz