I really like the Blade. It is better than its ACAD predecessor which ACAD dumped for Visual Basics. It left me feeling "had". I did Visual Basics for a while, but then thought... what happens when they dump this? So I switched to PASCAL (Delphi, and then Lazarus), and used text editor's for LISP. The latter was tough going with all of the parenthesis until NotePad++ came along.
The better side of the story is that the BricsCAD LISP is also faster than ACAD LISP... and now there is an editor. Its matching parenthesis are really popping.
Rick