Grumpy 2, ANYTHING I type may be well past it`s sell-by date, thus perhaps a pinch of salt required.
I did however spend an inordinate amount of time in the interweb some years back reading of all sorts of Morgan problems and trying to help solve some. I was ever amazed at some of the "improvements" that people inflicted upon their poor old Morgans... and of course paying out quite a bit of time money and effort so to do and then selling them on as the end product did not match the dream when the sump of the new more performant engine hit the deck all to often due to a lack of clearance, and of course the thing was ever overheating whenever a bit of flat open road could be found... how did it handle and stop with all that extra weight and power... I ever watched as the list of tasks relative to the improvements grow and grow as the knock-on (or domino) effect took hold..
There are no doubt that improvements can be made on older Trads by selecting better materials for certain tasks than those which might have been fitted originally, but looking at the max suspension travel on a Morgan front and back it seems unlikely that you might smooth out the ride to any great degree within those limitations imposed by the original design, assuming not much has been modified already.. Once you have spent a few hundred or more, you might then consider the "upgrade" was well worth the cash spent..at least when you are trying to justify to your good lady how much you spent..
I seem to remember reading on GoMoG some time back a suggestion to remove the front shockers completely and take it for a drive down a quiet road you know well, and see how much difference the shocks make to the ride quality...? Though my guess is it might be best to choose other than a smooth road surface and do not drive too fast... I have never done it... but apparently it has been reported that little of no difference was felt...?????
While you have the shocks off the car try extend and compress them as quick as you can, should be really difficult and do both feel similar in terms of resistance to your attempts at movement both ways.. If so perhaps you could be wasting money...? More so if your comparator is the suspension "feel" you became used to when driving a Triumph Sla...err...Stag...
I have read of folk trying to find replacement shocks that fitted but were limited in their compression stroke to the extent that the shocks acted as a bump stop transferring a fair bit of extra strain to the mountings and reducing the life of the shockers...and creating handling issues in the process..
The shockers on my mid 80`s +8 are Koni.... does it handle like a limmo, in a word... err.. NO. Would I want it to...err...NO
Don't know the age of your car or how many miles travelled but might be worth checking to see if your springs have sagged with age/use, before splashing the cash on shockers..? Though from a dull memory do not be too surprised if the ride height differs a tad from one side to the other.... it is a Morgan after all, and if it has spent more time on the road with no passenger, then the springs may be found to have sagged a bit (more) on the drivers side thus reducing the ride height on that side..?
Good luck in your choices hope they work out well and may make you a tad less grumpy...