[Coolbreeze]

I recently added a Powerdyne to my 331 and am looking for info on custom chips. Here is the three I can't decide from:

1). JMS chip
2). dyno tuned chip
3). Tweecer R/T

The dyno tuned chip is 2.5 times what a JMS cost. Is the dyno tuned chip really worth the extra cost over the JMS chip (street car that see's the track about 5 times a year)? Also any-one running a Tweecer, if so how do you like it??Looking for all info good or bad, want to order soon...