Tecumseh is right. They may go up in value as time goes by, but they'll always be just that, replicas. Colt has made 1911 replicas twice before. The first were in the 1960's and were a four-gun WW1 commemorative set. The second time was in 1981 with the John M. Browning commemorative. I see both listed for sale online quite regularly, and they never sell for more than $800 or so. Of course the new replica tries to actually look like the original, instead of just being a gold-inlayed wall hanger. However I think it'll be some time before they increase enough in value to where they're best kept as safe queens, even in light of the fact that they're consecutively numbered.
Then again, only 20 years ago all USGI surplus .45's were considered cheap junk, ideal for practicing frontstrap checkering on.