Openings like the Englund Gambit are always a controversial issue...
Nobody is forced to play it, but some people like me are playing this opening, to be exactly, its my standard response to 1.d4. in every kind of chess games, Blitz, OTB and correspondence.Iam considering to take a look at the Albin, but actually i dont have the time to study a new defence. I consider myself to be a good amateur player, not more, not less.
From the theoretical point of view, i wouldnt recommend to play the Englund, because, as IM pfren said, you are ending in a worse position, when White knows the right variations.
To be succesful with the Englund Gambit, you have to diversify your game.
Except of the Zilbermints-Variation, which cant excite me because of moving around the knight to recapture the sacrificed pawn, i prefer to get compensation for the gambit pawn, so i play 2...d6 (the Blackburne-Hartlaub-Gambit) or 1...f6 (the Soller-Gambit), sometimes also the main lines of the Englund with Nc6 and Qe7 (although i think you nearly have the same development problems as in the Zilbermints-Gambit).
I often manage to get active play on the king side or in the centre and win quickly, when White is playing too lame or careless, sometimes i got crushed within 20 moves, thats the risk for playing this kind of stuff.
When you expect full compensation for the pawn against a perfect playing opponent, you shouldnt play the Englund, but if you want to lure him on unknown territory and you know the ideas and tactics behind this opening, its a good choice even on higer club levels.

Ummm. Lets see: Black drops a pawn at move one, and then spends five moves (...Nc6, ...Nge7-g6, ...h6, ...Nxe5) just to get the pawn back, IF allowed.
What a brilliant concept- I have to congratulate the inventor: He proved beyond any doubt that logic in chess is useless.
The next step towards chess perfection is surely enough adopting and analysing that ingenious idea:
http://www.chess.com/forum/view/chess-openings/i-have-engineered-a-new-opening-any-comments-welcome?page=1
And then, to mercilessly crush Carlsen with it.