Slin please accept my compliments

I dont know whether what you said is right or wrong
Never used Shiva
However it is the first time that someone speak also of the scripting system rather than the editor only

Many people make a bloody confusion between virtual reality and game programming
Game programming should be, first of all , interactivity
Particulary at an Indie level,you may accept some compromise in the editor but the engine "logic" should be the first priority for the choice
Go through the most succesful Indie games
Few of them have a top graphics which can compete with commercial games ,a part from some demos which never turn into finished products , but many have a sophisticated game logic