"brilliant talk" is correct and usable in written English.
You could use it when writing about an impressive speech that someone gave or in a review of a presentation. For example, "I thoroughly enjoyed the brilliant talk that was delivered yesterday."
and he delivers, with a brilliant talk, with so many quotable bits that I give up.
In a brilliant talk, Mr. Cerny said that many designers were still trying to grow past the basic structures inherited decades ago from the arcade.
When he gave a brilliant talk and reading at Princeton some years ago, I was pleased to introduce him to a large, packed auditorium.
The contemporary reality of a marginalised parliament, the substitution of sound-bites for speeches, a social life bereft of brilliant talk, and a suspicion of young politicians shading into resentment, is far less attractive.
Two days ago, in the biannual Gaskell Society conference (she was the biographer of Charlotte Brontë), Dr Karen Laird gave a brilliant talk, vindicating the equal importance of the "baby" sister, Anne.
Sometimes, when Gil laughed, you could see how he might have been a different man if he hadn't chosen to be this professor with his stooping bulk and crumpled, shapeless suits, his braying, brilliant talk.
Yet, nearly twenty years removed from his greatest creation, Garry was, for many viewers, still Larry, the reluctant but brilliant talk-show animal.
(Do listen to the new Meryl Streep part of that Today clip - she's brilliant) Talking to the Daily Mail, Streep, not a natural Conservative supporter apparently, explained why she warmed to the "Iron lady".
Alan Bennett Double Bill: A Woman of No Importance (1985)/Forty Years On (1973), starring Patricia Routledge and John Gielgud (2hrs, BBC, £12.99) Two vintage radio recordings of Bennett classics, the 30-minute Routledge monologue about the banalities of office life was the forerunner of his brilliant Talking Heads series for Radio 4, which turned inconsequential blether into art.
I could just imagine them sitting in the parlor and looking up from their books and out at that wooded hill -- both of them slim and brilliant, talking of quantum physics and the meaning of life.
Other than these brilliant talks, 40 posters were also presented going along with coffee break time.
