zondaracer

I did a part 141 course for my IR and CPL. Some differences I noted:

Part 141 IR course is all dual instruction, part 61 will require you to go fly with a safety pilot
Part 61 IR course requires quite a bit of cross country before you can get the rating. Part 141 eliminated this
Part 141 allows a minimum of 190 hours, but that is of you do everything in the minimums. If it takes you 50 hours to get to PPL, you are already looking at 205 hours.
Part 141 means you have to do everything prescribed in te syllabus in order of the syllabus. Part 61 is more flexible.

For what it is worth, my part 141 school was also part 61, and the syllabus for both programs was the same for CPL except the part 61 required more hours and was completely flexible without needing approval from the chief pilot for deviations.

Go to the cheaper school. I only did part 141 because I was able to use the GI Bill. If you do the math, you will see that paying less per hour will save you a lot of money, even if you end up with more hours.

Think about it ... Let's say that you are paying $35 more per hour at your current school on average.
205hrs (total time at end of 141 course) x $30(what you overpay) - 45hrs (addl hours to get finish 61 course) x $50(Cessna 150 rate at other school) = $3900 savings.