Nvu used to have problems with uploading to FTP, multiple connections used to time out on certain FTP servers and there was no way of changing the amount of connections opened in the program. That was a year or two back, so they may have fixed it by now. Apart from that, nvu is a very good app for the price!
Could never get on with netbeans or eclipse, always prefered editing in DW/notepad and testing online, was just quicker. Will give aptana a try though, not heard of it before, ty.