I think this server could benefit from a bit of community resourced help. Perhaps you could create a to-do list, and RS enthusiasts could assist. For example, currently monsters have a "view range" of about 7 x 8 squares. On RS, monsters have more of a 3-4 sqm view radius. Another thing is combat, movement should be halted for the first 3 rounds of combat. If you plan to go with RS mechanics, would have to alter some source code.