+1 for malkoff. You might want to consider getting a Mag with a Malkoff and use your Surefire as a back up belt light and even getting something smaller, say a 1 x AA Jetbeam with the IBS user interface (that is a 3 mode, individually programable interface where you can choose to set each of the 3 modes to the lighting level that you need, low - high and strobe, SOS with the option of setting even the frequency of your strobe)
Do a search on Jetbeam and you'll see the postings here or you can google 'jetbeam' and head to their site.
For budget flashlights, there is a great thread here as well as a few sites to look at, but for LEOs, i don't think that a budget light should be your primary light, maybe as a back up light would be alright. There's also a few threads which are LEO related flashlight threads.
Here's a link to a recommendation checklist, you may wish to fill it in, cut and paste it here so that CPF-ers can understand your needs more
http://www.candlepowerforums.com/vb/showthread.php?t=96884
And here are the LEO threads
http://www.candlepowerforums.com/vb/showthread.php?t=165017 (Part I)
http://www.candlepowerforums.com/vb/showthread.php?p=2165029#post2165029 (Part II)
http://www.candlepowerforums.com/vb/showthread.php?t=204324 (Part III)
Personally, I think the Jetbeam Jet III Military version would suit you, it runs on 18650 CR123 primaries, RCR123 cells so you have a range of cells to work with and it's a simple 2 mode flashlight, default mode is a high 225 lumens and the 2nd mode is programable using their IBS user interface. Great for LEOs, 1st mode for a blinding bright burst (for night adapted eyes), 2nd mode set to either minimum (2 lumens) for reading maps, filling out tickets, or conserving night vision or to a strobe/SOS/alternate light level.
selfbuilt has done an (IMHO) outstanding review on this light here
http://www.candlepowerforums.com/vb/showthread.php?t=211631&highlight=jetbeam+military
and there are loads of other reviews as well. I personally own a Jet III Pro ST but that is more a general purpose light than one for LEOs. The dealer for CONUS is
http://www.bugoutgearusa.com/
IMHO, the Jet III Military is a good LEO light.