PostScript color proofing solutions provider iProof Systems Inc. has added Epson’s Stylus Pro 4000 inkjet printer to the list of printers supported by PowerRIP X, a PostScript Level 3-compatible Raster Image Processor (RIP). PowerRIP enables accurate color proofing for over 100 Epson and HP inkjet printers and works with all Mac OS X applications; it can also function as a RIP server accessible by up to 100 clients for the cost of one license. It uses ColorSync as its default color management system, with profiles provided for the SWOP standard. Pricing is US$369 for the standard version and $995 PowerRIP X LF, which supports large format Epson and HP printers. System requirements call for Mac OS X v10.2, a G3 processor, 256MB RAM (512MB for the LF edition) and 1GB free hard drive space (2GB for the LF edition).