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If you like it, by all means do spend some time and money on it. I've just done it on a 20 year old frame too (but I had most of the parts, and it's steel). All I'm saying is if the riding - as opposed to Instagram likes or forum kudos - is your goal, be aware of the actual ROI from your new bits.
Find some good wheels. An external BB crankset is also money well spent. But if you're considering spending a grand on a Record groupset to transform the ride, just be aware that it just won't. I also would also advise you to try out something like a Caad12, or a Bowman Palace R, to give you an idea of how much aluminium frames have improved in the last 20 years.
Not worth the expense on that bike though.