Hi all,
WinShell is a free multilingual integrated development environment (IDE) for LaTeX and TeX. The program includes a text editor, syntax highlighting, project management, spell checking, a table wizard, BibTeX support, Unicode support, different toolbars and user configuration options.
WinShell, which is already portable, can be combined with portable LaTeX
ftp://tug.ctan.org/pub/tex-archive/info/MiKTeX+Ghostscript+GSview+USB-dr...
so, a complete portable LaTeX environment could be provided.
The link to WinShell: www.winshell.org
greets
Ingo