The Abbey Road Plates reverbs are definitely worth having. Even if you have a few other reverbs. What I found really nice about them is that they have a rather distinctive sound. More than likely not like any other reverbs you may already have. They are sublime on vocals for example. Other reverbs for example which I have such as Reverberate, Waves H Reverb and even Studio One's Open Air, even with all of those loaded up with great plate IR's they still don't sound quite the same as Abbey Road plates.
I am not that impressed with Waves Vinyl either. I have come from that whole era and even gone through producing LP's for clients and getting them cut and tested etc. The whole process drove me nuts actually. That process of converting a great stereo mix into the cutting lathe etc and out the other end is basically inferior to anything we have now. So my vibe is why go backwards and all that.
Yes I agree certain stages of Waves Vinyl can add in a certain mojo to a sound for sure but so can
many other things too. For me Waves Omni Channel can do a lot compared to Vinyl. Vinyl is probably really good for converting a really modern pristine crisp transient mix into the sound of an LP record mix from the late 60's. I am not particularly interested in doing that. I produce a lot of electronic music for example and it sounds way better now than ever before. Listen to Jarre's Oxygen 3 and compare that to Oxygen 1 as an example. Oxygen 3 just sounds way better to me.
(Oxygen 2 sounds just a little better than Oxygen 1 (he did that on purpose) but still improved, but Oxygen 3 is another story all together. He just pulled out all the stops. He took digital to the max!!) Vinyl is still probably worth $29 though just for a few features here and there. Not the original price though.