Global hybrids and CAM-B3LYP show a significant error reduction upon dispersion correction yielding MADs for D e in the order of 3.20-5.12 kcal/mol, comparable to the MADs of higherrung dispersion-corrected functionals, alongside an improved but still overestimated r e with MADs ranging from 0.05 to 0.12 Å. The dispersion corrections offer considerable improvement to excimer binding for these less sophisticated functionals which gave the largest MADs when dispersion-uncorrected. However, even with dispersion-corrected, global hybrids and CAM-B3LYP are still largely outperformed by DHDFAs. PBE38 seems to be able to compete with the best methods, but we would like to reiterate that it does not describe CT nor do related PBE-based hybrids describe exciton coupling correctly, which indicates that its good performance is most likely influenced by fortuitous error cancellation.