Keep an eye out on these threads. Note that you will need to go to the last pages to find deals that are active.
There are a lot of good deals offered in those threads, as well as a few others on here.
The headlamp and lantern are two that I can not really make a recommendation on, but the Convoy S2+ can be had cheap and I am real happy with the price/quality ratio. I think I paid $12 and an additional $2.50 or so for the 18350 tube.