Got the 7G9 today -- wow! Put in 3 EagleTac 3100's, it's just phenomonal! Very tight throw beam!
The only major issue for me is the mode memory. "kreisler" defines it very well in the RC-29 review. Let me quote from kreisler:
The current version of the Romisen (i got my copy from dealextreme) has 3 Modes: High - Medium - Strobe. No matter how slow or fast you click (or tap) the switch, the flashlight would adopt the mode whichever was or is next in line within the infinte series/loop "..-med-strobe-hi-med-strobe-hi-med-strobe-hi-med-strobe-hi-..". For example you're in Med mode. Then switch off. Wait as long as you want, say 10 min. Then press the button. Your mode will be strobe!! In other words, your last mode is saved/memorized only to return the next mode in that infinite series. On the one hand the switch is a forward clicky (with "tap" functionality), on the other hand you cannot send in Morse or use it as tactical switch. whenever you press/tap the switch at any point in time, you are forwarded to the next mode in line.
(Copied from: https://budgetlightforum.com/t/-/4817)
Only difference is the 7G9 has high-med-low, not strobe as the 3rd mode. The trick of course to work-around it is to switch to low mode, then leave it off. Guaranteed then it will come up in high mode next time you turn it on.
Also got my LightMalls UltraFire C8 U2 today... Very impressed with it as well! The quality, and on a EagleTac 3100, it's very bright -- brightest single 18650 light I have. Close in, not much difference from the 7G9, although the beam pattern ia quite different - larger spill, larger hot spot but the hot spot is noticeably weaker than the 7G9. But for $20 including a C8 holster, I absolutely love it! The mode memory works very well so far, very predictable. The best thing I did was ordering the C8 with a holster, because they packed the light in the holster to give it that added protection in shipping! Thanks LightMalls!!
Wish I was setup to test the amps draw and do some beamshots...
Update 09/08/12:
The stiff switch really bothered me - added 3 of these: http://dx.com/p/super-strong-rare-earth-re-magnets-8mm-20-pack-4248 by gluing to the bottm of the rubber boot -- now there is little/no gap between the boot and the switch mechanism -- works as easy as my RC-29 now!