With the introduction of the new MoonLight 2+ and the coming MoonLightLight UL2, we have great size options:

MoonLightLight UL2 - (more specs and photos coming) - 4 lb 7 oz minimum weight with an efficient 29.9 sqft, tapering floor and roofline, all our most important features and it feels much roomier inside than other tents near this weight. The biggest difference between the UL2 and the ML2 is that the UL2 shaves a little here and a little there to make it more efficient than the MoonLight 2. It has an asymmetrical design: tapered toward the foot (so heads go at the big end). The UL2 vestibule on the right side is larger than the one on the left so that side can hold gear and you can still cook in it comfortably.
MoonLight 2 - 4 lbs 12 oz minimum weight - 5 ounces heavier than the UL2 - with a 31.7 sqft rectangular floor, all our features and a lot of room inside from end-to-end. Perfect for people who sleep head-to-foot or just like more room to stretch out.
MoonLight 2+ - (photos and video coming) - 6 lbs 12 oz minimum weight with an EIGHT foot long, 38.6 sqft rectangular floor, It has all our signature features and easily accommodates two big, tall people and then some - even with a small child or two big dogs. This tent is our answer to the "Plus" sized 2-person tents and the "3-person" tents people are buying for use for just two. This tent is also our strongest - wind tunnel tested to 40+ mph with barely any movement (without guylines).
MoonLight 3+ - 7 lbs 13 oz minimum weight with a 48 sqft floor that easily fits three big, tall people with room to spare. Family backpacking is what we designed this tent for, but a lot of people buy this size for car-camping and rafting for two.
MoonLight 4+ - 8 lbs 12 oz minimum weight with a 64 sqft floor that easily fits four big, tall people with room to spare. Family backpacking is what we designed this tent for but it's a great family car-camping and rafting tent too. For 2 adults and 3 kids, put one kid sideways at the head or feet of the others. For 2 adults and 4 kids, it's getting cozy, but you can do it by managing the pad sizes…for instance, like this:
