Very good post, I would like to offer up my build, it focuses on both AoE (but w/o quills) and Single target damage (Impale and Ripper). I just rebuilt last week, thanks to everyone here that helped.
Archetype: Scrapper
Primary Powers - Melee : Spines
Secondary Powers - Defense : Dark Armor
Slot[01] Level 1 (Starting Primary) : Lunge /Dmg
Slot[02] Level 1 (Starting Secondary) : Dark Embrace /DamRes
Slot[03] Level 2 : Spine Burst /Acc,EndRdx,Dmg,Dmg,Dmg,Dmg
Slot[04] Level 4 : Death Shroud /Acc,EndRdx,EndRdx,Dmg,Dmg,Dmg
Slot[05] Level 6 : Hasten /Rchg,Rchg,Rchg,Rchg,Rchg,Rchg
Slot[06] Level 8 : Build Up /Rchg,Rchg,Rchg
Slot[07] Level 10 : Impale /Acc,Dmg,Dmg,Dmg,Dmg,Dmg
Slot[08] Level 12 : Swift /Run
Slot[09] Level 14 : Super Speed /Run
Slot[10] Level 16 : Dark Regeneration /Acc,EndRdx,EndRdx,Rchg,Rchg,Dmg
Slot[11] Level 18 : Obsidian Shield /EndRdx,DamRes,DamRes,DamRes,DamRes,DamRes
Slot[12] Level 20 : Cloak Of Darkness /EndRdx,DefBuf,DefBuf,DefBuf,DefBuf,DefBuf
Slot[13] Level 22 : Health /Heal
Slot[14] Level 24 : Stamina /EndRec,EndRec,EndRec,EndRec,EndRec,EndRec
Slot[15] Level 26 : Combat Jumping /DefBuf
Slot[16] Level 28 : Kick (Fight) /Dmg
Slot[17] Level 30 : Tough /EndRdx,DamRes,DamRes,DamRes,DamRes,DamRes
Slot[18] Level 32 : Ripper /Acc,EndRdx,Dmg,Dmg,Dmg,Dmg
Slot[19] Level 35 : Throw Spines /Acc,Dmg,Dmg,Dmg,Dmg,Dmg
Slot[20] Level 38 : Super Jump /Jump
Slot[21] Level 41 : Weave /EndRdx,DefBuf,DefBuf,DefBuf,DefBuf,DefBuf
Slot[22] Level 44 : Murky Cloud /EndRdx,DamRes,DamRes,DamRes,DamRes,DamRes
Slot[23] Level 47 : Acrobatics /EndRdx
Slot[24] Level 49 : Soul Transfer /Heal