Yeah I don't know many people who own iguanas who recommend them.. They are AMAZING animals.. But get ready to spend more $$$ than any snake. They need huge enclosures, an extremely varied diet, and almost always seem to need vet care at some point(from breaking their tail while whipping it to getting something infected, to getting impacted on human hair from walking on the carpet and curiously licking it, they know how to get themselves into the most expensive and worrisome kind of trouble)... And they do get huge and can be incredibly dangerous. I feel safer with a monitor than I do with a male iguana in mating season!
Oh yeah, mating season. That'll mess you up, boy or girl, they both go crazy(males attacking everything, girls hormonal and egg laying..Just hope they don't get egg bound!)
I really would suggest any other lizard other than an iguana. At least for now. They need a lot of planning. Beardies are a good option, and so are water dragons(But they tend to be picky eaters and get substrate in their eyes!)
But good luck with your choice!