Assuming this is serious...There are effectively no socialists (or any serious economics analyst, for that matter) that don't incorporate some element of Marxism into their perspective. What is shared by the majority of socialists is advocacy of the Marxian critique of capitalism, regardless of disagreement that exists about his own preferred principles of social organization. However, many who accept elements of Marxism don't accept Marxism in its entirety or to an extent that they could reasonably self-identify as "Marxists" (anarchists, for example), with others that do self-identify as Marxists not being communists, but instead being market socialists (such as David Schweickart, or Samuel Bowles and Herbert Gintis in the 1970's). There's also discontent among some self-identifying "democratic socialists" about association with Marxism, which is regarded as being an authoritarian ideology.
[FONT=Verdana]The Anarchists never have claimed that liberty will bring perfection; they simply say that its results are vastly preferable to those that follow authority. -Benjamin Tucker[/FONT]