They're both very good.
You should try and get hold of each to see how they feel, they're pretty different, I like both though. The 3VCS does have adjustable stick tension, I'm not sure on the Esprit. I think the 3VCS is a little tougher built, I know a few people who've had trouble with the sticks working loose on the Esprit. The menu is better on the Esprit, although it's not too bad on the 3VCS. Receiver size is a quite a bit smaller on the Esprit.
Both are ageing a bit and probably due a dedicated 2.4GHz replacement at some point as Futaba and KO both have dedicated 2.4GHz steer wheel versions, they've not been quick to follow with stick equivalents though, so that could be some time.
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