Coincidently, I have both and I want to sell of one my e2dl, that is, if you want 2nd hand ones.  I will not sell my e1b because I scratched the head rather badly, I'll keep that.

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Added on January 25, 2010, 2:09 pm
Just buy for fun, look and play with it then sell off to LYN forum members here. 
Already sold off my e2e, e1l and l2. 

Like jwjy, I have them both, E2DL is very bright 2 cell light, if you have 08/09 120lms, should be as bright as todays 200lms. the bezel is rather sharp, so not good for pocket carry it. the body knurling also very aggressive.

E1B is rather smooth body, and it is very bright too, but not as bright as the E2DL.

Both light are 2 state brightness nowadays.

Its depends where you want to buy it, the price can be very much different.

bottom line, if you want to EDC, try E1B, because it is small, and brightness is good for general use.

E2DL is very good light, but it is hard to EDC because it is longer.

If you plan to use rechargeable, you have to consider these too:

E2DL has been reported can use li-on 4.2Vx2= 8.4V, but I rather not to push so hard, so I use LifePO4 3.3x2= 6.6V.

E1B has a know issue of using li-on 4.2V, its low will burst with a bright preflash then go low, pretty scary. LifePo4 is not a good choice either, because it will flicker in low.
The only workable battery is Soshine 3V (3.6V actual) or like me add a diode at the tail cap to use either lion 4.2 or LifePO4.

BTW, both lights are TIR lens, so the center hot spot is very bright, but the side spill is not as good as normal light like Fenix, Quark, Jetbeam. And the TIR 's hotspot is usually bigger than the other lights, but it still throw are crazy.

Be warned, once you touch a surefire, you can never stop.

You got any opportunity to meet up with susuman or not? Maybe I can sent him some small surefires for you to look at first. 

I am at Seri Kembangan. If you want to see 1st, goto ACE hardware shop, in Ikano or Mid Valley. Their distributor is Tropical Equipment, you can check in the 1st few post of this thread.

Altenatively you can buy from ebay or cpf, or brother jwjy, he has many surefire.