Delphi 6 (2000)
Borland Delphi is the first rapid application development environment for Windows that fully supports new and emerging Web Services. With Delphi, corporate or individual developers can create next-generation e-business applications quickly and easily.
Delphi 6 introduced new features and enhancements in the following areas: IDE, Internet, XML, Compiler, COM/Active X, Database support...
Whats more, Delphi 6 added the support for cross-platform development thus enabling the same code to be compiled with Delphi (under Windows) and Kylix (under Linux). More enhancements included: support for Web Services, the DBExpress engine, new components and classes...
Delphi 7 (2001)
Borland Delphi 7 Studio provides the migration path to Microsoft .NET that developers have been waiting for. With Delphi, the choices are always yours: you're in control of a complete e-business development studio with the freedom to easily take your solutions cross-platform to Linux.
Delphi 8
For the 8th anniversary of Delphi, Borland prepared the most significant Delphi release: Delphi 8 continues to provide Visual Component Library (VCL) and Component Library for Cross-platform (CLX) development for Win32 (and Linux) as well as new features and continued framework, compiler, IDE, and design time enhancements.
Delphi 2005 (part of Borland Developer Studio 2006)
Diamondback is the code name of the next Delphi release. The new Delphi IDE supports multiple personalities. It supports Delphi for Win 32, Delphi for .NET and C#...
Delphi 2006 (part of Borland Developer Studio 2006)
BDS 2006 (code named "DeXter") includes complete RAD support for C++ and C# in addition to Delphi for Win32 and Delphi for .NET programming languages.
Turbo Delphi - for Win32 and .Net development
Turbo Delphi line of products is a subset of the BDS 2006.
Delphi in the Future... See what CodeGear (Borland) plans are for Delphi up to the year 2007: Delphi Road Map...

