Cot50
King of the Britains
Toadworks Death Rattle
HAO Rust Driver
Carl Martin Plexitone

I have the Cot50 and think it's great - it would probably do a much better Jimmy Page than Warren Haynes though. I think Moe's modded BD-2 suggestion is good, esepcially with your SG - that pedal sounds really nice with humbuckers.

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Les Pauls and Teles (some real, some fake) ->
Boss TU2
Ernie Ball VP Jr
Vox847 Wah (true-bypass)
Barber Tone Press
Barber Small Fry
Da MOAF
Lovepedal CoT50
Modded Vox Valvetone
Crowther Prunes & Custard
EHX Deluxe Memory Man
EHX Wiggler
Line 6 Verbzilla
(all used variously)
-> Traynor YCV40WR