We generally agree about the consistent improvement of electronic charting software. We used
C-Map/Jeppsen with our Standard Horizon plotter with Explorer paper chart backup on our 2008 Abacos trip. The "club" allows you to update the chip on a yearly basis for a reasonable fee.
The only major error we found (on both) was on the return run to Ft. Pierce. We headed for Sand Ridge ( about 27.09/79.09) looking for the reported shallow water spot to toss the hook down for a few hours of rest. After looking for the charted shallow spot for 45 minutes we gave up and did toss the hook but no 9-14' of water, more like 20-28'. With a NE chop coming in we had a rocky night.