I emailed the chap a few days ago to ask if he would port it to VB4, he has not replied yet. His profile says he was a Student so I'm guessing that he's now graduated and the real world has grabbed his time...happens to us all.
Over on VBulletion.com in the VB4 suggestion sub-forum I've posted a suggestion that the company take this one and port it to VB4, if you want to see it developed further and properly supported then please pop over to Vbulletin.com and support the suggestion here's my original thread...
http://www.vbulletin.com/forum/showt...-Forms-for-VB4
And here's the thread asking for new VB4 Products/addons that I also contributed to...
http://www.vbulletin.com/forum/showt...eveloped-by-IB