Hi TW,
Looks like a nice riser. Don't know for sure but I bet Jim Belcher at Sky Archery makes that riser for them. If VPA can't give you the information, I would give Jim a call and see if he can tell you what the weight rating is. On the ILF rig that I have, I like it with the bolts all the way down. I have a 15 inch TT Black Onyx with 50 pound Black Max Glass/Wood short recurve limbs. Haven't scaled it but it feels like I am pulling 56 pounds @ 28. It shoots amazing and is nice and compact at 56 inches AMO. I draw just under 27 inches so no issues with stack or finger pinch. I am thinking with your 29 inches the Longs are a good choices.
Don't worry about the sickness. A lot of us have it. I'm saving my pennies for a 13 inch Dryad Epic Riser in the coming new year.