For the vast majority of downloads, the site is safe. However, their "100% guarantee" of safe downloads should not be believed. I recently downloaded something from there that installed SweetIM without permission. This is a well known issue with SweetIM (firefox has banned it because of this) and there was no notification at the site of this extra software. I wrote and advised them of this malware, but they still do not have advise to users of this on the download page.
This site used to be reliable, but no longer is. There is no way of telling when you will get malware.