I am replacing 50 watt halogen downlights with energy saving globes, i would like prices for MR16 CFLs. in 9 to 13 watt 6500 color temp 12volt. i am useing LEDs SMD 5050 20 pc 330 lm MR16 12volt and GU10 240volt.( all 12volt lights must run off existing 50watt halogen transformer) thank you Ray.