I live for the day when relatively cheap (meaning a few hundred bucks or less) 488nm (or very close) laser pointers are available! That shade of blue/green is one of the prettiest laser colors but the catch is the utter lack of portability....problem is there is little demand for that wavelength in a portable form, like for DVD players and such (now that they have the blu-ray). For lab and medical settings, big, heavy power-hungry argon lasers work just fine.