Do the Classic kits (rev5/6) also include the RGB/Neo LEDs and front-panel switch/LEDs? They say everything is included except the tubes and PSU, but these off-board parts are a not discussed explicitly, either in the sale pages or the construction manuals.
The RGB LEDs (Rev. 5) or Neopixels (Rev. 6) are included. The off-board LDR for ambient light dimming is included. I'm not sure what you mean by "front panel LEDs" tho.
A tactile pushbutton switch is also included. Depending on your case design it might be all you need or you might want to get yourself a bigger beefier easier to mount switch. Up to you - the included switch is adequate but not fabulous. If you get the WiFi option it doesn't really matter because after the initial setup you'll never need to use the button again - everything can be handled via WiFi.
Look into it later when the dust is clearing off the crater.