I've used them and they work fine. They say they don't provide IIS support (indeed, the format of their certs doesn't work for IIS, but you can use an online co

I've used them and they work fine. They say they don't provide IIS support (indeed, the format of their certs doesn't work for IIS, but you can use an online convertor to get them into the right format). I believe they just resell comodo from when I used it last, but you could probably check