with 5w of 808 and a already coated and a pair of seperated / coated / TECd crystals you could kick about 5-600mw or upto like 1.2w if you spend like 24 man-hours aligning it.. go for it and get a laserscope KTP/Yagbar for the 20w monster to get a Green Nova of about 3w [smiley=evil.gif] then attach it to shark