I always wanted the WHALE. When I was about 11, when the HAVOC and the reissued WHALE* hit the UK shelves, I had the money for one or the other for my birthday. I chose the HAVOC and I now wish I'd bought the WHALE and I could've got a HAVOC a few years back when I was collecting as a complete decent HAVOC would've been way easier to get.
I also wish I could've got a Tomahawk, but they weren't sold in the shops in my town and I wasn't able to venture further afield to get one.
I also remember drooling over the Mobile Command Centre in the Argos catalogue (the wishing book!) for ages.
I remember wanting the Cobra hydrofoil as a kid too. Tell you what, if I'd managed to get my parents to buy me the hydrofoil in 1987 and I'd bought the WHALE in '88, you would've got me taking photos of those two bad boys duking it out on the stream 10 years ago instead of more prosaic pictures of the Night Landing, Devilfish and the AF Boat Patrol!
*The WHALE was originally released in 1985 in the UK as part of the AF line where all the vehicles got generic (crap) sticker sheets and were packaged in Pallitoy style packaging. In 1988 after the line was relaunched, the WHALE was reissued (like the FANG, Stinger and Skystriker in 1987) in Hasbro packaging and with sticker sheets more like the US ones. The '88 WHALE is a different shade of green to both the '85 and US versions.