That's pretty impressive! I too am fairly new to Paleo (since October) and I have gone from an intense workout schedule to a much more relaxed one. I play soccer about 3-4 times a week, I'll do a short and quick bodyweight resistance circuit at MOST 3 days a week (average twice) which include pushups, pullups, squats, dips, lunges, all the fun stuff! I haven't sprinted all out in the past couple of weeks, but I try and devote 1-2 days for a high intensity max effort sprint outside in the grass or on a walking path by my apartment. I walk for about 1-1.5 hours a days most days at a comfortable pace outside.

I fast once a week for about 36 hours and usually eat about 2 meals a day (breakfast @ 8 and dinner @ 8 when my GF gets home) with copious amounts of green leafy veggies, meat, fish, and eggs. Tea and coffee with heavy whipping cream, red wine and 90 or 99 percent dark chocolate quite frequently. I'll occasionally make a "protein shake" with some Whey Protein Isolate, but I always throw in some greens, coconut milk, blueberries, and MCT oil to increase the fat. My supplements include 3 servings of Fish oil (~2g EPA/DHA), multivitamin, CoQ10, Vitamin D, and a Probiotic.

I must say that recently I have been fortunate enough to volunteer at a place that allows me to get free meats and veggies every week. Plus I have come to the realization that I CANNOT eat Justin's Maple Almond Butter because its just too damned good!! Me and my GF have gone through a jar unflinching. That's my binge =).

Tip: Eat much more green leafy veggies also incorporate other non-starchy veggies. BUT if you are still keeping up that intense exercise you'll definitely have to take down a pretty ridiculous amount of food to keep up. 3 meals plus a snacks everyday and protein supplements are good occasionally but leads me to believe that you are overworking yourself and spending too much time in a stressed state and not adequately de-stressing. I am a strong believe in balance and for every 30 minutes that I "exercise" I thoroughly believe that I MUST at least 1 hour doing something with little to no effort, light yoga, walking, longboarding, whatever floats your boat. That's to allow my mind to rejuvenate and my body to recover. It's essential.

So either eat more starchy carbs and whole foods, or the better solution IMO is to rethink why you are working out 6 days a week with high intensity. Regardless, you will need more whole foods, especially greens and veggies. Also begin to incorporate some intermittent fasting, if that seems undoable, rethink why.

My two cents =)

If you're interested in fasting, you might look at Martin Berkham's site, LeanGains.

His protocol is geared more around heavy lifting three or four times per week, so you would probably need to up the food a bit to accommodate your anticipated workout volume. The advantage I see in Leangains vs. some other IF protocols is a daily feeding window that jives well with morning WODs and daily intense exercise. Also, you generally never going without food for 24 hours.

Is your example daily nutrition and workouts your current or anticipated plan? Only you know your body, but if you're planning on ramping up your workout load while dialing in your nutrition, keep a close eye on fatigue levels. It looks like you're planning for proper rest, but adequate muscle recovery and adaptation depend on rest as well as proper loading. Overloading yourself can cause more problems than underloading yourself.