What should I do?

I've only been using mfp for about three weeks now. For losing 1 lb/week mfp has me set as 1300 cal + exercise cal. I've been consistently under my calorie goal with the exception of the days in which I have a cheat meal (it's also my rest day, so I'm usually in the red by 1000+ calories).

I just weighed myself for the first time in a month and I've only lost one pound. Previously, I weighed myself once a week and dropped a pound a week. I'm 5'3", my starting weight was 165 and I'm now 151 (want to be 130).

I think this stagnation may have to do with my eating. Now, I haven't been eating all my exercise calories but I used this link today: http://www.braydenwm.com/calburn.htm to get a better assessment of the calories I burn and mfp is dramatically over (about 200 cal over what I actually burned according to this). Usually I'm under my calorie goal by about 200 cal, so in reality I have been netting 1300 cal.

It's worth noting that while I'm not dropping weight I've been slowly losing inches.

My BMR is about 1530 cal; my TDEE accounting for exercise is about 2360 cal-- I've heard that you should never net under your BMR? What should I do:
a. continue my diet as I have it (now with more accurate exercise cal I will probably eat them all and net 1300).
b. set calories to my BMR and try to net
c. something else?

For what it's worth, I work out six days a week; three days I do Insanity (I'm now in month 2), and the other three days I either do Zumba, Kickboxing, Total Body Conditioning classes, or a combination.

Sorry for the novel and I commend anyone who actually reads this.