I am certainly not the caliber of many on this forum with JB, but I currently own a few Lowriders and a Cara and can honestly say they are some of the best feeling blanks I have tried. I have fished and own lots of rods, and feel like I can discern what fishes well and what does not fairly well. I can't really tell much difference between the Lowrider and the Cara when fishing a jig or spinnerbait. Sensitivity seems pretty subjective to me, and I personally can't see much difference in the two when it comes to sensitivity and overall fishability.
I suspect the components on the Cara are lighter and higher quality, but I have had no troubles with my Lowriders using braid or mono/floro. Cork is very good quality, no issues with fit and finish, guides, balance, etc. They are well thought out solid performers.
20 years ago I feel like you had to spend pretty serious money to get a light, sensitive, powerful, and durable blank (especially if you wanted something longer than 6 feet ). Now we are blessed with lots of very fishable options even in the $100 category. A guy that is patient can occasionally find a Lowrider for $100, and that weightless worm model is an absolute steal at that price IMO.
JE