I use the following Argho:
Arghonaut @ Life Orb
EVs: 252 HP/252 Atk/4 Spd
this seems to be the standard LO Arghonaut from what I've seen. The most common Argho seems to be Bulk Up Argho.
"I can't pretend to be much of a judge of poetry, I'm an English teacher, not a homosexual." - Stephen Fry in A Bit of Fry and Laurie
An RU team.