The only way to do it is with an oven. Put it on its lowest setting and leave the door open, lenses should just pull off. Also be sure to clean the old sealant off while its still warm.

Most of the newer halo's are super bright and can be seen during daylight/dusk hours... Think about all of the bmw's you see around during daylight.

They are also available in tons of colors depending on who you go through. IMO I like the white, its simple, classy and functional. Plus if you have HID's and LED sidemarkers they mesh flawlessly

I've thought about just doing audi DRL style strips in the lower part of the headlight housing.