Rogue weapons (generally) favor melee dps or backstab dps. The latter being most important in groups unless you can find stuff to solo that casts. If you have HoH or raid weapons, disregard the rest of this
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Given the cost of a rogue epic and ability to get it at level 46, I would spend more time rushing to 46 with a seb dirk and less time optimizing your MH/OH setup pre-epic. For the price, the seb isn’t a bad offhand either. For that early level range, a fungi tunic is doing most of the heavy lifting if you are picking smart solo spots (and it isn’t even needed if grouping).
You can spend the next 14 levels pondering what to MH and OH.