Must-have gear for a level 13 Musket Master?

[Wolfmang]

What gear would a level 13 musket master need to have? I currently have the following:

Greater Bracers of Archery (DM allowed this to apply to guns)
+4 Belt of Dexterity
+4 Cloak of Resistance
+1 Ring of Protection
Jaunt Boots (15 foot 5-foot-step 3x/day)
Endless Bandolier
+2 Headband of Wisdom
Goggles of Night (60ft Darkvision)

I've got a +4 weapon (+2 & Distance & Lightning), but no special armor yet (I beefed AoO abilities to compensate).

Deadshot vest is a consideration, as it makes it feasible for me to attack up to 160 feet.

[caddmus]

Old post, but I've had questions like it thought lower level, I'm only level 8 in my current musket master. But I belive a mithrel chain shirt thats enchanted for + what ever is better, its like 9k to get a +3? more ac then a lot of magic armor gunslingers could get