It is all about what you want. Not sure how old you are but I'm old enough that if I see something I've never seen before, I buy it.
I've done the 2 for 1 deal you speak of and recommend it. Last time, I traded a DPMS Sweet 16 and a Bushmaster Varminter (24") for a Colt LE6920 SOCOM. Absolutely nothing wrong with either and I had plenty of fun with both. The 16" bull barrel was too heavy for such a short package. It was a .223 barrel that had some extraction issues from time to time. The 24" is just too long for most of what I do other than at the bench and it was pretty heavy with its free-floated tube. I will say that the Bushmaster was very, very accurate. So I basically replaced them with a M4 that fits my needs better, easier to tote around, better for home defense and darn near as accurate at the distances I need to cover.
If it was me however, I like your 2 S&W better than the Python - just my personal view.