Huit A
Remove Arrows, put both LBX10s on one side of the turret if possible, put 2 CLPL and a UAC5 on the other side of the turret, add armor a BHP and a few heat sinks.
Good AA burst, anti mech DPS and AA DPS.
Bushy C
Exchange one ERLBL for a MXPL, one LRM15 for a SRM6 and add a AECM. If there is still weight left add 2 DHS, if there are still any leftovers uograde the SRM6 to a DSRM4, any extra leftovers go into extra armor.
Early game lance command mech with weapons for all ranges.
Cougar D
"Downgrade" both DSSRM4s to SRM6s, exchange both HML for 2 HSL each, add armor.
More dps then the old one, mosre armor then the old one, better heat management then the old one.