I'm playing a wizard who's looking to specialize (somewhat) in Ioun Stones. I've picked up a few Ioun-related spells (thank you, Open Design!), but I wanted a couple of unique touches.
1. Colby's invisible halo: a smart & learned opponent will likely be able to identify the bonuses granted by my Ioun Stones, and a well placed shot could eliminate a benefit I was counting on. This spell should ideally make everything orbiting me invisible (as the spell), as long as I have something in orbit (components: V,S,F [an ioun stone, which must be in orbit]). What level would this spell rate?
2. Colby's Ioun Storage: it's not always wise to have your Ioun Stones in orbit at all times, but if you use more than a few, it's a major operation getting them all out. A bracer (or a belt, bag, or similar item) which deploys or regathers (standard action, command word) Ioun Stones stored in its (limited) pockets makes this a much simpler process. Obviously more pockets would make for a more costly item, but just how expensive should it be (& what craft prereqs should it have)?