That`s actually pretty good ,http://www.ebay.com/itm/Pack-6-6500K-45W-Photo-Studio-Day-Light-Bulb-PB45-6P-/180665575475?pt=LH_DefaultDomain_0&hash=item2a1081e833#ht_3434wt_1152
im not sure what you are considering high watt but thats a pretty great deal there.
I just broke down and bought those lolhttp://www.ebay.com/itm/Pack-6-6500K-45W-Photo-Studio-Day-Light-Bulb-PB45-6P-/180665575475?pt=LH_DefaultDomain_0&hash=item2a1081e833#ht_3434wt_1152
im not sure what you are considering high watt but thats a pretty great deal there.