Loved the scirpt and the characters, but seemed somewhat aimless, random and uninspired, just like Barton. The character itself was greatly played by Goodman, even though I think the character could've abtained a certain prospect of glory or break-through. The plot itself and some of it's progressions and conclusions can't help to think that the movie was styled by Lynch's habits and solutions.
When Federico Fellini had no idea on what to do with his next film, he created 8½, which portrayed an out-of-ideas director who didn't know what to do with his next film. When the Coen brothers had no idea on what to do with their next film, they created Barton Fink, which portrays an out-of-ideas screenwriter who has no idea on how to write his first screenplay. Superb script, direction and performances.