iATKOS S3 Released!
iATKOS v7 (which is based on Leopard), is the first Mac OS X guest that I have successfully setup in VirtualBox (at the days of VB v3.1.x), now iATKOS S3 is released!
iATKOS S3 is based on Snow Leopard 10.6.3. According to the readme, this DVD is designed for non-Apple x86 Intel CPU computers. The minimum requirements are "Compatible motherboard, Intel SSE2 CPU, 512MB RAM, 15GB free space on target partition". Having said that, while we are to install it under VirtualBox, VT-x supported is still required.
It's worth a try if "standard" SL installation fails with all the patches/workarounds that you have made.
To install iATKOS S3, simply follow the new installation guide for iATKOS S3.