+1 for the ""special"" VB6 notation.
I am familiar with this notation from the use of ancient BASIC's that had limitations on line length (120 characters). It works well enough to shorten a line instead of using one of the constant notations: +Chr(34)+; +#DQUOTE$+; or +#DQ$+, which add 9, 10, or 6 characters instead of 1 for the solitary double quote. You then realize that they are usually used in pairs +/- a concatenation character, and you get 18, 20, 12, or 2 characters that are required to place a set of double quotes in a string in this manner.
Apart from the savings achieved by using less characters, which in this day and age only refers to convenience and nothing more, I don't see this as a must-have feature. However, even though I would use whatever notation was necessary to place the quotes in the string I would switch immediately to using this if it became available.
I think beginners would find it easy to use as well. They also would have the choice of which they preferred to use, according to their comprehension, and would choose what works well for them.
@Danillo: [Off Topic] It is important to be able to discuss things freely without a pre-requirement that you know anything; that is one of the few things that allows beginners to become experts. The discussion becomes useless when someone thinks that only their opinion is right and then tries to defend it by eliminating those that disagree with them from the discussion. As an expert you may have had discussions with experts where you were considered a beginner, where they could only roll their eyes because you did not know as much as they did; they may also have just been more patient while your understanding matured. Darwin said 'survival of the fittest' and not 'survival of the only'.

[/Off Topic]