s2s VPN settings

[D_TK]

Currently have a 7 gateway "Meshed" VPN community that was configured 6 or 7 years ago.  This is all checkpoint <-> checkpoint equipment.  Currently this community runs over a private MPLS network but later this year we moving it all to direct internet connectivity.  Just wondering if these encryption suite settings are still considered strong, or should i strengthen it?   

All versions are currently r81.10 hotfix 45

thanks