AST Research Inc has extended its Advantage! computer family with the addition of a line for small businesses and home offices: Office Advantage! includes Microsoft packages as well as Lotus Development Corp 1-2-3 on selected models; the desktop computers come with MS-DOS 5.0 and Windows 3.0, and the 80386SX model features Lotus 1-2-3 while the 80486SX and 80486 models have Microsoft Works for Windows and Microsoft Money; Office Advantage! 386SX/20LE has a 40Mb IDE hard drive and both a 1.44Mb 3.5 disk drive and 1.2Mb 5.25 drive; the 486/25 and 486SX/20 have a 200Mb IDE hard disk drive, a 1.44Mb, 3.5 drive plus a 5.25 1.2Mb drive.