i'm pretty much in the middle as well. i've really only done a couple paid gigs since the beginning of the year, and lately i've been doing tf* work (which is fine with me since i'm still experimenting/practicing).
however i have my camera stuff insured through my car/renters carrier: usaa. they have a seperate 'valuable property' (or something like that, can't remember) policy that you can put expensive items, such as cameras and lenses, into and it doesn't fall under your renters. for $12,000 (i valued all my junk at msrp) i think i pay like $120 year? but again this is under a personal policy, not a biz type policy.
i'm not sure what will happen when i go legit though. i never asked if they do biz insurance (libality and/or equip)
