I have no doubt that Ovie will not only break Gretzky's goal record, but he will reach 1000 regular season career goals (barring something catastrophic from happening or CBA dispute). He is the purest and best goal scorer of all time. Earlier in his career, I had my doubts. Bossy and Hull were my benchmarks as pure snipers. Gretzky was just great at scoring, but passing/assists is his benchmark.
In my mind, it's not long a question of "if" but rather "when" Ovie will break Gretzky's record and also reach 1000 goals.