Recently he has been working on some PS3 QA Flag developments, and below those interested can find both the PS3 IDA Tutorial and NPDRM details.
From his page: PS3 + IDA Tutorial
Extract the contents into your IDA folder. I don't take credit for these plugins and loaders.
Loading a File
There are two file types I'll teach you to load. SPU and ELF files.
SPU files can only loaded in IDA 32bit mode. When you load IDA choose "Go" and drag the file onto IDA. Make sure elf is highlighted at the top. In processor type, choose "IBM SPU Cell Processor: spu." Click set. Click OK. "Undefined or unknown...blabla" yes. You should be good...