I'm assuming @Romo is going for Martinez, after leading Everton into a relegation battle and then bravely escaping. Excellent work.
I'd go with Pardew. Koeman is the favourite but I don't feel as if he's improved Southampton that much and his signings are overpraised. Pelle has been shit bar like 6 games at the start of the season, Djuricic is shit, Elia is shit, Mane is horribly inconsistent, Shane Long isn't worth £12 million, and Tadic has really lost his form. Saints are only in a slightly better position than they were last year and have lost some pretty easy games over the course of the season.
Pardew has been picking up wins for fun at Palace. He's quietly come in and done his job. They were in huge trouble under Warnock, were probably going to go down, and Pardew has shown what he's capable of by completely turning them around. It'll be a shame if he doesn't get the recognition he deserves.