After the 128 I considered a) Buying a Lt Kerrnal 20 MB hard drive b) Buying an Amiga c) Going IBM Compatible
Thank God I went with the 8088 but I probably own 15 Commodore 64s now. I taught myself component level repair on them so I buy them broken for cheap and repair them. I have a full set of 64 and 128 with matching CRT monitors and Ultimate II+ and more.
With that machine my nostalgia is absolutely maxed out :)