10). Weightless, hovering, anti-gravity or helium-treated camping gear. — Jim Walkden, JJ Jordan, Phil and more than 10 others

9). Special tents  automatic (self-erecting and -dismantling), non-leaking, with ceiling fan or a/c, self-cleaning, self-drying,etc. — Ilana, CAS, Jay Rupp, Vince and 5 others

8). Instant porta potty: no matter where you go, there you go! — bob spong

7). A litter tracing device that can identify the perps and transport their garbage so it will be sitting on their own doorsteps when they arrive back home. — Deerfeather and a few others

6). Dehydrated water... or better yet, "no-need-to-pee water" ('specially for the gals)... or a light-weight compressor to squeeze the water out of the air! wait... wait... a hydrogen-oxygen combiner... — Simon, Sara, Jim Keller and 5 others

5). The "Reality-Check Eliminator"  a small electronic device sewn into a bandana (meant to be worn around the forehead) which creates an eletronic pulse field that inhibits any thoughts about work for the programmed times. Ideal for making the most of any vacation! — Chickadee

4). An automatic pack that follows loyally under its own power. — michele

3). An animal translation device which can translate a bear's 'GRRRRRRRRR' into 'I want to eat you.' — Chris Kraeutle

2). Tiny, five-dimensional pocket-packs that store all your necessary supplies (tent, sleeping bag, laptop, six-pack, etc.) folded into the 5th dimension, where they weigh nothing at all. — RadarRanger

1). Accurate weather predictions. — Clair Stark