Aw crap.... ok, before my ears turn any redder, let me apologize and clarify what I said. I didn't mean to imply that CJ was any good, just that they generally tell you *something* about what you can and can't do. They have a popup especially for terms, in which they say if you can use ppc, what keywords you can't use, etc. They might screw you over anyway, I'm just saying at least they tell you the supposed terms (regardless of whether they stick to them)! I'm looking on copeac, and while there are a few offers that say things like "no search", most of them don't go into any more detail than whether they can be incentivized or not. Same goes for azoogle. So before anyone else jumps down my throat, don't think I was trumpteting cj. That's why I said "at least".
In summary: Affiliate networks - please give us more detail on the terms!