This article is from the comp.sys.acorn FAQ, by Paul Vigay with numerous contributions by others.
The latest, publicly released for all PC card owners, full version is 3.06 and it is available from the Aleph1 FTP & Web site. (http://www.aleph1.co.uk/) Features include memory up to 32Mb, fully redefinable 256 colour modes and the addition of directly accessed SCSI drives.
The very latest version of the software (v3.03) has been released commercially as PCPro. This features SA compatibility, speed enhancements, VESA video drivers, a debugged shared memory system for faster operation, improved support for Windows 95, DirectX drivers and a variety of other enhancements. Details of this software can be found on the Aleph1 web site.