Ernest Hemingway used a Royal—
John Steinbech typed away on a Hermes Baby—
George Orwell spent hours on a Remington Portable—
Mark Twain used The First Typewriter
Gay Talese in an interview in the Paris Review responded when asked how he wrote: " Longhand at first. Then I use the typewriter."
Gay Talese Interview
Perhaps computers encourage the writer to write too quickly?