The new Knights are looking good, especially with the new faceplates. I was recently going to pick a Knight, and I am glad I waited. With a wealth of magnets, I think you can get some great options here. Check out the latest Imperial Knight news and rumors.
More Imperial Knight Leaked Images from this weekend's White Dwarf.
http://www.warhammer-forum.com/index.php?showtopic=230714&page=6#entry2739838
new faceplate
http://img15.hostingpics.net/pics/967069IMG3441.jpg
Trying to narrow down what each of these Knights brings to the table... Nickolas94 over on Warseer seems to have done just that.
via Nickolas94 on Warseer
New Imperial Knight(s)
Warden
right arm: Avenger Gatling Cannon
left arm: Reaper Chainsword/Thunderstrike Gauntlet
shoulder: Heavy Stubber/Meltagun
carapace gun: nothing/Twin Icarus Autocannon/ Stormspear Rocket Pod/Ironstorm Missile Pod
Gallant
right arm: Reaper Chainsword
left arm: Thunderstrike Gauntlet
shoulder: Heavy Stubber/Meltagun
carapace gun: nothing/Twin Icarus Autocannon/ Stormspear Rocket Pod/Ironstorm Missile Pod
Crusader
right arm: Thermal Cannon/Rapide Fire Battle Cannon
left arm: Avenger Gatling Cannon
shoulder: Heavy Stubber/Meltagun
carapace gun: nothing/Twin Icarus Autocannon/ Stormspear Rocket Pod/Ironstorm Missile Pod
Errant
right arm: Thermal Cannon
left arm: Reaper Chainsword/Thunderstrike Gauntlet
shoulder: Heavy Stubber/Meltagun
carapace gun: nothing/Twin Icarus Autocannon/ Stormspear Rocket Pod/Ironstorm Missile Pod
Paladin
right arm: Rapid Fire Battle Cannon
left arm: Reaper Chainsword/Thunderstrike Gauntlet
shoulder: Heavy Stubber/Meltagun
carapace gun: nothing/Twin Icarus Autocannon/ Stormspear Rocket Pod/Ironstorm Missile Pod