Hi Mike,
Try one, or all of the following:
1) Wachter J. Chem. Phys. 52, 1033 (1970) Triple Zeta (TZ) quality.
2) CCL's FTP anonymous (128.146.36.5) cd pub/chemistry/?/basis
in there, amongst others, are the DFT optimised bases by:
3) DGauss (DFT bases) DZ and TZ quality and/or
4) EMSL database: