Update README

README

-QtCreator 1.0.0
+QtCreator 1.3.0
 ===============
 QtCreator is a crossplatform C++ IDE for development with the Qt framework.
 
@@ -7,11 +7,25 @@ Supported Platforms
 The binary packages support the following platforms:
 
 Windows XP SP2, Windows Vista
-(K)Ubuntu Linux 5.04, (K)Ubuntu Linux 7.04 32bit and 64bit
+(K)Ubuntu Linux 7.04 32bit and 64bit
 Mac OS 10.4 and later
 
 Building the sources requires Qt 4.6.0 or later.
 
+Compiling Qt Creator
+====================
+Prerequisites:
+   * Qt 4.6
+   * On Windows: mingw 4.4 or later, Visual Studio 2008 or later
+   * On Mac: XCode 2.5 or later
+
+We recommend that you build Qt Creator not in the source directory, but in a separate directory.
+To do that, use the following commands:
+mkdir $BUILD_DIRECTORY
+cd $BUILD_DIRECTORY
+qmake $SOURCE_DIRECTORY/qtcreator.pro
+make (or mingw32-make or nmake or jom, depending on your platform)
+
 Third-party components
 ======================
 QtCreator includes the following third-party components,
@@ -21,13 +35,3 @@ we thank the authors who made this possible:
   Roberto Raggi <roberto.raggi@gmail.com>
   QtCreator/src/shared/cplusplus
 
-Compiling Qt Creator
-====================
-You need Qt 4.6 to build Qt Creator.
-We recommend that you build Qt Creator not in the source directory, but in a separate directory.
-To do that, use the following commands:
-mkdir $BUILD_DIRECTORY
-cd $BUILD_DIRECTORY
-qmake $SOURCE_DIRECTORY/qtcreator.pro
-make (or mingw32-make or nmake, depending on your platform)
-