Well Peter - I've been printing for clients and exhibitions from Aperture 2 - and Aperture 3 looks much better.(It took a little time to get it right, but it certainly works properly - and I'm certainly not alone).
If a serious workflow needs 2 or 3 packages, then mine isn't serious, it used to be serious, but these days it's not . . . .
It makes control of versions so much easier, uses much much less disk space and saves me huge amounts of time.
Well, then I must have done something wrong with printing from Aperture. I know that a number of options are available, but for special requests as eg RIP like printing I did not find Aperture to be only partly as capable as PS4 with plug ins. Or maybe I just did not firn the plugins.
Also consider that I am using Hasselblad as my MF system, so I have the need for using Phocus anyway, as Aperture does support only basic 3F files, but not all extensions which do automatic lens corrections for example. Plus also the color rendition is far better in Phocus for Hasselblad 3F files - but I think that is nothing new and was discussed to death here and in other places already.
So this is what I meant with "serious" - at least for me it turned out there is no way around PS4 - wether I like it or not. But meanwhile I got so used to it that I do not dear it any longer
I do agree for someone using a "standard" camera with support of RAW files in Aperture or LR these 2 packages are great. Although I always preferred Aperture and would personally thus not start using LR again - but this is just my personal preference.