Hi there Tom!
I have a pair of AF280T's that I've had very good results using them with my K10D. They have an exposure sensor right inside of them
which, for me, has always given me great exposures (in the green and orange auto modes). They also have
tilt and swivel just like the "big boys". There are several on ebay right now that range from 50 to 68 dollars as "buy it now" prices and also one that needs a starting bid of 25 bucks that has no bids yet. If I were writing a review about the 280s, I would give them, at the very least, "8"s (no P-TTL, and limited flash "area"
BUT
, I recently (about 2 weeks ago) plunked down $146.50 (+ 6 bucks for shipping) for a Metz 48 AF-1 and I can
wholeheartedly recommend this one if you plan on using flash more than you have been. If I say that the 280's are great, then the metz is just
plain Crazy Great
. As far as range goes the 280's don't really reach that far but within about 20 feet they're good. I shot one of my
granddaugter's Basket ball games a couple days ago with the
Metz and it lit up half of the gym! Lillian actually asked me to quit shooting it because it was a distraction 'cause she could tell everytime I took a photo. Which was okay on a counta I had my smc A 1.4/50 with me and used it for the rest of the game. The AF48 works good up close also,
especially good when using the the tilt/swivel features.
I've seen a lot of your photos and they are most definitely great shots! I'd hate to see you disappointed using any of the "over there, yeah that place" offerings. I'm not saying that you
actually, definitely would be disappointed because I have no experience with them. As a matter of fact, you pretty much know about my experience with digital SLR's. In the past I've had an AF240FT, an AF330FTZ, and an AF400FTZ that are great also(not to mention my old, late 70's Focal brand or the Promaster from the same era) but Ifound them lacking when I switched from film to digital. oops, almost forgot,the 280 has a little brother called the AF200T which has the "auto" modes and can be manually adjusted to give from 1/8, 1/4, 1/2, and full. I use one of them ball head flash & umbrella holders to give it tilt and swivel.
If there is a church close by they might let you check out the lighting, although the lighting where you are going may be a little or a lot different.
All of this is IMHO of course!