Interarchy is fast and reliable. I have to use FTP everyday, uploading, downloading, syncing - I've never had a problem. Try a simple A - B comparison for speed against other FTP apps and you'll see it's lean and fast, one sign of good, unbloated programming.

Not sure what Graphex problem is, click on his name and check his previous posts, he's just a spammer - probably was him spamming posts over and over on the forum like he's done here on VersionTracker - don't have to scratch much below the surface to see where he's coming from.