AbdulAlhazred
Legend
Agreed.
I'm still disappointed with the most recent Medium DC chart. Someone is still smoking something.
At level one (it's often even easier for many PCs at higher levels):
best: +4 or +5 stat, +2 background or +2 racial, +5 trained = 100%
great: +4 or +5 stat, +5 trained = 90% or 95%
good: +4 stat or +5 trained, +2 background or +2 racial = 75% or 80%
decent: +4 stat or +5 trained = 65% or 70%
ok: +2 stat = 55%
bad: -1 stat = 40%
terrible: -1 stat, -4 armor/shield penalty = 20%
Although this seems like a reasonable range, it really isn't.
Virtually nobody with an ok or lower chance would typically even try it (unless they are the best in the party). They would typically attempt Aid Another if they were limited to using this skill.
So, I don't consider a range of 65% (75% with a single Aid Another) to 100% chance of success per check to be Medium difficulty tasks. Especially since many groups will have someone in the great category for many skills.
Smart DMs will rarely use Medium. It's STILL too easy.
In the context of SCs I think the numbers are generally OK. A typical SC might have 2 medium checks and 4 hard checks. So yes, the medium checks are generally going to be gimmies. Still, there are times when they won't be. The guy that is the ace on that skill is tied up with something else, etc. So a 90% chance of success on that last check you need can still be tense if it is the margin between success and failure. There are always group checks and such as well.
In general a medium check as a stand-alone skill check? Unless everyone or at least several characters have to pass it or it is a situation where a specific character needs to use an off skill it will be pretty much trivial. I'm not sure why I would for instance bother though with something like a medium DC lock or something like that where you know the rogue will just drop his big fat highly trained skill bonus on it. Maybe for color, but surely not as a genuine obstacle.
There will be some situations where some DCs won't really be that useful, but I think it is a system that is used in so many places for so many things that it is hard to create a one-size-fits-all chart. Obviously you can also up the level of the DC a bit though, so it can be pretty flexible.