[68-69-70Nova SSL78]

Need some advice on the new ZL1 engines coming out. About 6 months ago some hot rodding magazines announced GM was coming out with an anniversary 427 ZL1 engine. I called my local dealer and got put on a waiting list to be called when or if they came in. So this week I get a call that they are coming. The only hang up instead of the 16K price they are now 28K. So does any body know if this a GOOD investment which could increase in value? There is only 427 of the new ZL1's being made. Any input would be very helpful.