I will through my two cents in, I don't have a 1LE or ZL1 but I did look at both until I found an SLP ZL575 (the original ZL). And I agree, the 2014, I like the front on the SS but the back blows the whole deal. Love the Z/28 just to pricey.
2010 Camaro ZL575
Other cars are- 95 BMW 325 sedan- AA exhaust, AA CAI, AA Strut bar, AA chip, M3 rotors and calipers, racing clutch, oversized injectors, upgraded M3 interior- Audi A4 SLine, with black out optics