For rogues at 19 we have a few added ranged slot choices. The Horde only quest Shore Leave in Azshara you can get the Bedlam Gun.
Don’t fret! Ashenvale received some new quests. Both factions can do the quest Dread Head Redemption. This gets you the Bow of Ire.
29 - 56 Damage Speed 2.80
Equip: Increases your critical strike rating by 2 (1.86% @ L12).
Bow of Ire
38 - 73 Damage Speed 2.80
Equip: Increases your critical strike rating by 1 (0.34% @ L19).
For full twink rogue gearing a great resource is ShadowPanther.net.
Please… PLEASE… PLEASE remember that you MUST turn off your experience before doing these quests.