I think you'll like the 2800, I've had it's larger brother the 3400 for about a year now, and it's been good to me.
There are a few things you need to be aware of before you buy. The L series, at least the 2800/3400/3700, have a couple of "weaknesses" that a new owner should take into consideration.
One is the 3 point hitch saga. They are rougher than most when raising a short distance, to the point of shaking the implement like a dog with a rat. You need to test drive a 2800 to see this before you buy. Get the dealer to mount something you might want to use, like a rear blade, or better yet a post hole digger. With the engine at idle, try raising the implement slowly, say an inch or two at a time. If he refuses to do that, you need to find a dealer who will, or look at another model or make of tractor.
You'll see what I mean. And contrary to some belief, there really is no 100% fix for it, a few of us have tried different things over the past years with very limited success. Kubota has made a few changes to valves over the years, but the problem remains. Raising the FEL at the same time helps, but that's not practical.
Once you see what it does, you can decide if it's a deal killer or not. After you've got the tractor it's usually too late.
The other downside is the relatively low lift capacity of the FEL for a tractor of that size. I'd like to have more lift, but it'll do what I need it to with not much room to spare. Large round bales on a spear are going to be an issue, 4x4 dry hay should be ok, maybe 5x5.
The clutch is a little heavy on mine, if you sit for any length of time with the clutch depressed it's hard on my knee. I think a "hung" clutch pedal would be better, but that may just be my impression.
Aside from that, I like the 3400... it has enough power for most small farm chores, and has given us zero problems in the first year and 100 hours of operation, aside from a leaking lift cylinder on the FEL. That was fixed under warranty with no problems.
I'm not bashing the 2800/3400/3700, I own one after all.
Sean