Not really had problems against elite Anacondas with my own Anaconda even when it was outfited with D class modules at most and 7A PowerD. Kinda "cheap" setup for anaconda, but it was enough for any NPC. Having myself grinded LOTs npc's at rings with python before 1.1 patch, so I know how to handle any Npc. They always fell for same tricks. Even now. My tactics had not changed, but ship was.
My setup it was 4 c3/G pulses(gonna try fixed when I max its thrusters), and 2 c2/F plasma acc. Worked like charm. 2 plasmas are good enough, as they just are for addtional firepower against bigger ships. Main weapons are quad lasers. They alone can handle even another Anacondas. Beam turrets at c1 hardpoints, not for destroy, but rather for keep shields from rechargin of my tagets. And yup, small beam turrets can handle sidey and eagles with no problems alone. Still gonna test this setup with better power plant, thusters and that sweet 8A PD for 28 mils. wich gonna buy when I cash my journey to Sagittarius A*, and hundreds of black holes, neutron stars along. Only 20k ly left to sol.
Have yet to test that Huge plasma ball of doom. But i might stay with 4th c3 laser as well.
Like against any other larger ship, despite what I fly, I go for its modules. Boost much as possible, FA off etc. Usualy I go for Thrusters, as they are really easy to destroy in Anacondas... Like 2 or 3 hits from twin plasmas and they are gone. Next is FSD or PP, or just shoot it do death with pulses. Free to chose. My favorite way was makin them crash into asteroids when had encounter 'em at rings when drives was gone. Also tried Teeth to Teeth battle against Elite Anaconda from Assasin BBS mission, but it required some Cells used. Still was fun, felt like Capitan of some battleship instead as a fighter pilot.
Killed few Anaconda Cmdr before 1.1 in Python, yet have to test myself against another Anaconda Cmdr with mine. Look foward to result.