You can get OverStock here:
[KERNEL]OverStock v1.x and v2.x 341MB, Voodoo Sound, Color, Lagfix, BLN[EDT]4/10/2011 - xda-developers
And you can get Tigersblood here:
[Kernel] Tigers Blood v3.22 Voodoo Lagfix, Sound, Color, BLN, OC/UV[03/31/11] - xda-developers
Both can be OC'd.
Look in...