Announcing a new SGI file format plugin for Photoshop, which reads and writes 8-bit and 16-bit SGI (Irix RGB) format files with any number of channels, uncompressed or RLE compressed.
Download from http://www.telegraphics.com.au/sw/
Works with all common Photoshop platforms (Mac 68K, Mac OS and OS X on PowerPC, Windows) and versions (tested with 3.0-7.0). GPL source also available.
Please contact the author (support@telegraphics.com.au) with bug reports, comments or suggestions.