TTW comes with YUPTTW which patches almost all bugs and will continue to do so.
NVEC New Vegas Enhanced Content, uses many unused records in FNV for it's own stuff, we use the same records because they're FO3 records.Project Nevada, Anything but the core module is incompatible with 3.2+, that means Equipment, Rebalance and Cyberware are not compatible, Rebalance and Cyberware can be patched but Rebalance needs AI changing removed, Equipment can not be patched and is largely redundant with Fallout 3.