Sports Basement has the Marmot Limestone 6p back in stock for $277 usd. You can use their 20% sign up coupon to bring it down to $221 + Taxes. I was surprised the coupon stacked, not too shabby for 6p. They also have a similar deal for the 4p for about $30 usd less if that better suits your needs.

https://shop.sportsbasement.com/products/limestone-6p-1#img-21927273070664