Up to nine switches can be stacked together in a switching environment. For you to know the complete info about the physical stacking of switches and configuring them, the following URL has some useful information in it.I think this will be useful for you.
The answer is basically yes for all the things you mentioned . Once you create your vlans , you then create your SVI's for each vlan and then you apply your ACL's on the SVI's . For server redundancy cross stack ehterchannel is allowed on the 3750's so you would put one link on one switch and the other link of the etherchannel on a different switch in the stack.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...