That's a nice story :-D
Excuse my ignorance however since you mention no cpu accelerator of any kind, I suppose a true B2500 would have come with an 020/030 perhaps?
I remember after I paid off my first A2000 (about $4000.00) I turned around the very next moment and brought an A2000HD, still too green to realise it was just the same thing with a HD added. Sold the A2000 for $2000.00 and signed another agreement for another $4000.00 lol
That A2000 was the only thing Amiga I ever sold to this day
