I've never bought a brand new suit. always buy used. There's always people putting on weight, losing weight, getting out the sport. Kijiji and the classifieds on here are a great starting point. Most I ever paid was $700 for a Berik suit. Absolutely lovely piece of kit. Boots I buy brand new now, but my first set were used. Gloves are a brand new thing. Helmet is personal choice. Only buy used if you can be as sure as a sure person, who has won awards for being sure about everything, that it hasn't been dropped at any point in it's life. I have a great 2 piece Suomy suit for sale atm for $300 http://www.gtamotorcycle.com/vbforum/showthread.php?170299-Suomy-2-piece-leathers-suit . Loads of life left in it and never being down. There's tons of stuff out there if you want to find it.
As for a track? Not Mosport big track (Mosport RDT is a great beginner track)or Calabogie. I honestly believe TMP is a good starter track. Green never seems to be full, it's flat so you can see where you're going, and it's relatively cheap compared to other tracks. But that assumes you find your own gear first.
Good luck.
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