Table top scanning electron microscope
http://www.hitachi-hta.com/pageloader~type~product~id~450~orgid~42.htmlwow! i learned on an old-school Phillips 505 (piccy http://www.clf.bas.bg/sem505.htm) and boy, that thing sucked - but this? 60k down, no LN2, 40k mag, EDAX, stereo... sweeeeeet ;-) given the US dollar - it's practically free! ;-)