You can configure multiple next hops for the same route and the one with the lowest administrative distance will be preferred (Top route below).
ip route 0.0.0.0/0 192.168.0.50 1
ip route 0.0.0.0/0 192.168.0.1 2
You can also use a probe to mon...
Limits from the release notes.
ACLs 1,000
-Access Rules 5,000
-Access Rules – Per ACL 5,000
We do not have any best practices specific to EOS or the S-Series.
Sorry you had an issue, because I would expect the logic of the ACL to be identical to Cisco. I am not aware of any ACL issue related to ordering, and I double-checked the KB and the release notes.