[MENTION=175341]icemilkcoffee[/MENTION] , the components are great on that bike! 600 is widely regarded here and I personally am a fan of brifters. Those early 8 speed shifters are considered rebuildable by someone who knows what they are doing (Sheldon Brown's site mentions someone
https://www.sheldonbrown.com/sti-repair.html) and yours look like they might be in good shape which is pretty rare!