I can say that the next Sci-Fi Collectible which will be released in August have been found It will be the Science-Fiction Sleeping Capsule:

The URL of this image says AUGCOLL which means August Collectible.

Edit: I didnt said I found a new furni but I found that the sf_pod will be the next collectible in the scifi collection

- Haakon

Edit: Forgot to say... Credits to Habbies.nl