2000xlt,
That is the light known around here as the Sam's HID.
The person selling it probably got a quantity on sale from Sam's or from Sam's auction web site and is now reselling them on ebay.
It is the same essential light as the Amondotech Illuminator only the Amondotech Illuminator has a 4200K bulb and is dark green.
That light weighs around 8 lbs 10 oz.
Anything under a $100 on those (including shipping) is a great price.
Over a hundred and the Amondotech Illuminator is a better purchase because of the 4200K bulb.
The N30 weighs only 3 lbs 8 oz and is much smaller.
The Sam's will outthrow the N30 and would be a better light if you do not plan on carrying it a lot and want lot's of throw in a medium size package.
The N30 would be the better choice if you want a decent amount of throw and want a light that is small enough and light enough to carry around for extended periods of time. The N30 is more versatile in that it has both LED's and an HID in the same light.
Regarding the light that nitnapz linked to, take a close look at the specs.
They do not add up. The bulb has a lumen rating of a 24 watt bulb not a 35 watt bulb. It is 6000k and the body is rather fat. If you don't have large hands it will get tiresome to hold.
I would rather have either a Sam's(Vector) or a N30 then one of those.
Actually if you have enough for one of those you could probably get the Sam's and N30.
If you take a close look at the first post in the N30 announcement thread
you will notice the Amondotech 6000K prototype/Sam's beam shots.
Those would be of the light you are asking about so you can use the beam shots in that thread to help you decide which of the lights is more suited to you. There is also a picture lower in the thread of the two Illuminators (Dark green Vector equivalents) and the N30 close enough to each other to be able to compare their relative sizes.
Here is a link to that thread.
http://www.candlepowerforums.com/vb/showthread.php?t=156617
Take Care,
mtbkndad