If you were to get one now, which do you rather have and why? The 187 have more features, but I was surprised to see that they're quite close together price wise.
I have an 87-5 and an 189. I like the higher frequency capability (for swich-mode power supply internal measurements and such) of 189, but I find the 87-5 much more pleasant to use. Something about the user interface on the 189, I can't really get along with.
Go there and compare the features between 187 and 87-5.