I ended up making him Rain in a wyrmhide...it worked very well for him, the +skills and big +mana were great. As always, replacing Stealth meant getting FCR, FHR, and FRW elsewhere (seriously, who was it that was dissing on Stealth?...Its a GREAT runeword for the cost). He is now using both the clubs I crafted for him back in Act2NM, +2 elemental/+2 summoning, and he has 3(!!!) elemental skillers (Organa got one from the council in Act3, Yaddle got one in the RoF in Act4, and Binks found the third himself in the Bloody Foothills at the very beginning of the Act...unfortunately, they're all plain, but still...Tornado is slvl 31 (~2.5K damage) and Hurricane is slvl 34 (~1.25K/pulse)!!
Binks found a Kelpie Snare, and chose that for his socket reward...as it lacks leech, I put an Amn in the socket. The personalization reward was much harder to choose...its not that Binks didn't get decent drops, its just that they were good for a melee char, not for a complete caster...Headstriker, Titan's Revenge, Riphook, and Stormrider all dropped, but nothing he needed. He ended up personalizing an eth Spirit Shroud for Mizan, for the CBF mostly...I will say that the Peace armor the merc had been wearing was working very well...the CtC Slow Missiles was very helpful when facing big packs of Succubi shooting blood stars everywhere, so I kept it in his inventory in case...
I rerolled a few low quality pelts to get the Ravens staffmod again, as I find that it really helps in many situations...hopefully, Binks' future players will also find it useful and keep it this time...