For a C8 size head with deep reflector (34mm) with a 26650, I like the SupFire L6. Pretty good quality, nice size/weight feel. Retailer thread here: https://budgetlightforum.com/t/-/25525, my review here: https://budgetlightforum.com/t/-/26046.
The throw is similar to common C8's - I measured 20 kcd stock, but that was with the XML emitter - now it's available with an XM-L2 emitter. Stock, it's lightly driven at about 2.3A, and 44.5 mm head diameter.
Just tested my stock Paisen: 1.9A tail, 12 kcd (40.7 mm head diameter).
I have a modded UF-2200, it's a beauty - 43mm head diam, throw: 36 kcd, XM-L2 U2 1A on copper, Nanjg custom driver - 4.25A tail.
I got a XinTD X3 too, modded, it's real high qual, solid, but it's pretty hefty because of all that extra aluminum. It's a mini HD2010, but with class. Don't like the setup for 26650's though - wasn't designed for them, so handle is wider than need be, and doesn't take longer cells, but does work out ok for unprotected 26650's.