I own an Olympus 5050, PT-15 and a DS51. This takes good pictures and I have been happy with it for several years. Going to Chuuk and have seen some of the amazing pictures that others are taking on this forum. I don't think that I have enough strobing to achieve the results that I want. I also own a Canon XTi that I use for land pictures. The cost for the Ike housing and 2 DS125s is quite high. So do I bite the bullet and buy the housing and strobes, buy the strobes for the Olympus, or move into a higher end PS such as the G9 with strobes. Seems like the cost between the G9 and Xti is about $1000. I am suffering from sticker shock but worry that the 5050/PT-15 combo might not get it done. Thanks. Jen.