So you see you've already gotten very divergent responses, just like on the previous threads on this topic.
Just remember that the really important thing is to AUSCULTATE your patients well. Develop the skills and attuned ear. I regularly see plenty of good ER docs and trauma surgeons using whatever cheap $20 stethoscope was at hand, and getting the job done. I'm sure they prefer a better tool, but they don't rely on only that.
Having said that, I have found the Classic II S.E. adequate for the price. I just looked and it was much cheaper when I got mine several years back. That's the scope I keep in my search pack. My favorites have been the Master Classic II, which I still have on my vehicle and as a backup; and the Cardiology III, which I use daily on all my jobs, in house and prehospital.
I like the Cardiology III because I was carrying a regular and peds scope; now I get by with just one for most cases. If you're going to work regularly with newborns, then you'll probably want an appropriate scope for that size patient.
There are other brands out there, and some of them are pretty good. Despite paying for the name, I've stuck with Littman because of their consistently good quality, and easy availability of replacement parts. Parts wear out or get lost, and it is nice to quickly and easily order what you need to refurbish your scope.
Congratulations on finishing school!