I have a large mellon, yes. The AP is a bit tight, but I did add a pretty thick coat of plastic resin on the inside (to make it thicker), so that gave me less room inside obviously. But the ATA is great, plus it's fairly cheap (in comparison), and looks great. Not sure how big the VT is, but it's also a good contender for the price. Anyhow, here's a build thread on------------