I remember signing up at a similiar forum just for canon users but I found the people there quite rude and inconsiderate. I have no clue if it is still up though. My guess is it still is. You just won't find a place like this and a place like this with the members it has doesn't come around often so my guess is somebody will know a place similiar but no where near as friendly.
Terri, have your friend join us...I won't tell anyone that he shoots Canon. I would rather be surrounded by a few nice people that shoot Canon than some Nikon shooters that can be disruptive as on other sites. This site is everything that anyone of us could have ever wished for. Have your friend join us.....
I used to visit there on occasion when I was still using my old Canon G3 and considering buying a Canon DSLR (before choosing the D70 instead).
Haven't been there in a long while now, but the folks there were generally quite friendly and helpful kinda like here although I think NikonCafe is generally more friendly, down-to-earth and mature w/ more knowledgeable folks like Iliah and probably more working pros as well. But either way, both are generally better than DPR forums as friendly, helpful places to chat and learn w/ better forum software and very reasonable moderators -- Pekka tends to be very hands off much like Patrick and Frank (Flew) here, but keep a reasonably close eye so things don't get too out of hand like in DPR forums.
Good pictures are good pictures, no matter the camera used to take them. A public forum with plenty nice folks like NikonCafe is rather rare I think. So invite your friend to join and to have fun with us.