My thoughts on this list vary on the way you plan to use it.
As a slow grow, pick up game list this looks like a lot of fun.
- The Centurions and the Crusader pack an enormous punch in their PBGs. Your attack squad's two sources of EST mean that your enemy really has to focus their fire to remove your ability to share Target Locks. Which is really good because you want those Centurions moving and shooting not 'Target Locking'.
- Your Recon squad has a lot of ECM which means you can jam Target Locks and run Counter-ECM at the same time - very useful. I don't have a lot of experience with infantry in CAV but they can certainly move onto objectives and be hard to shift off. They are very good at CC and will make most CAVs think twice before getting into charge range of them.
As an 'event' list, by which I think you mean tournament, the list isn't legal as infantry aren't allowed currently.
- Looking at just the CAV part of it... that attack squad will murder anything it can bring those PBGs to bear on. However, Centurions are slow and their main weapons are short ranged. This means you're exposed to a lot of fire you can't really return very effectively the first 2 turns, possibly 3 turns. You might not get into PBG range without taking some serious damage.
- The list construction rules for CAV tournaments limit the kind of lists you can run - assuming you're playing to win. The hard limit of 12 models max at 4500 points means your average model cost is 375 points. This list has 1253 points left over after paying for that attack squad. That leaves 156 points as the average cost for your next 8 models. So, you're looking at your attack squad and something like 8 Sabres.
- That is a playable list but I think it'll get taken apart by something with a better 'Gun Density'. I think for 4500 points you can make a list that brings more guns to the table that can engage the enemy at longer ranges. This hypothetical enemy force will put out more damage than yours in the first and second turn for sure - possibly the third turn too depending on terrain, tactics, and dice. You'll need to play catch up in the third turn and beyond. It can work, if you get through the first three turns mostly unscathed you will BLOW STUFF UP! 🙂
Just my 2 cents.
I'm excited to hear how it works for you guys, please share!