[Jack Simth]

Null:
Two pairs of Bracers of Armor won't stack, as they both provide Armor bonuses.

Violist:
I'm surprised you didn't pick up a Headband of Intellect or some such; your character sheet lists 1993 PP = 19,930 GP, while a Headband of Intellect +4 costs 16,000 gp, and improves your spell save DC's at no action cost as well as increasing your bonus spells (if worn constantly) which would get you an additional 7th, 6th, 3rd, and 2nd spell slots over and above what you have available currently (currently 0:4, 1:6, 2:5, 3:5, 4:5, 5:4, 6:2, 7:1). Also, you didn't purchase any of the expensive MC's for the spells you know - but looking at your spells, something isn't right - I total up the value of your assorted items, and come up with about 110,000 k (give or take about 20 gp - which matches, assuming no significant amount of spell purchasing). I check your spellbook, and find 4 7th level spells at ECL 13 - How? A little more in-depth checking gets me:
At 13th:
By Advancement Only, maximizing highest-level spells Vs. Counted on Character Sheet
2 7th vs. 4
4 6th vs. 5
4 5th vs. 6
4 4th vs. 3
4 3rd vs. 5
4 2nd vs. 1
Int+5 (10) 1st vs. 8
All (19) 0th vs. 15

Narf: Well, mostly, they had more time to optimize their characters. I'm getting a little worried that there isn't any primary healer, though.... and watch out for squirrels.