Not "budget" related, but I have fallen completely in love with anything E21A 3500K-4500K. Fireflies PL47MU, Emisar DW4 dual channel, D4K Copper dual channel, DT8K and Noctigon K9.3.
For good deals, I have picked up a Fenix TK30 LEP for ~$130, 2x Fenix LR35R for ~$140 each, and a Fenix TK35UE...