He wants to be in full plate for fluff reasons. IIRC, there's no reason that I know of that you can't just wear full plate that has no mechanical effects. Or wear a breastplate and call it 'Full Plate'. Or wear a chain shirt and call it 'Full Plate'.
If you really must have statistical full plate, then you want +1 twilight githcraft feycraft full plate with a thistledown shirt and a tooth of savnok. Accept no substitutes!
Cha to stuff;
http://brilliantgameologists.com/boards/index.php?topic=215.0That bard spell I don't think it's listed, but it's called like Nixie's Grace or Selkie's Something. There's a couple of other things not listed there, but what's there is good enough.
Find a way to persist everything(incantatrix, spelldancer dip, metamagic song, hell even DMM if you're going sacred lollercist), persist stuff. That is like, all you need to know to be a gish. If you must, get extraordinary spell aim and have a nice antimagic field that doesn't include your square surrounding you with a secret path that only you know through it so you can send spells out but no-one else can send spells (like Dispel Magic) in. Or just get three spellblades, of Reciprocal Gyre, Mordenkainen's Disjunction, and Greater Dispel Magic.
I like to not rely on things like arcane strike to get my damage, but you can if you really must.