Waiting for review with several dozen other submittals. (There will be no need to resubmit when the six weeks are up.)
I am not a lawyer, but it looks like the right category for the site. If the site really describes a genuine law firm that has no other website, then the site is likely to be accepted.
The site may also be considered for listing in the category of the locality containing the firm's place of business (or, if there are several places of business, in the smallest Regional category containing them all.) Such a listing should not prejudice review of this submittal, and vice versa. Our experience is that frequently, the Regional submittal gets reviewed more quickly.
As for overselling dmoz, I can't help you with that. It's certainly worth submitting your site to the appropriate category (or two categories in this case.) If they have a fully-functioning site in other languages (e.g., Spanish), it's worth while to submit in World/Espan~ol also. You won't get a quick response, but when it happens it will have been worth more than the few minutes spent submitting it.
Beyond that, it's hard to say. Yes, it gives the site a small boost in Google, but so would a listing on, e.g., your town's Chamber of Commerce website -- which, of course, I trust you are also trying to get. So does a listing in Yahoo, at $300 a year: if it matters $300 how quickly you get listed, you should definitely go after that also. (And if it doesn't matter $300, you don't need to breathe quite so hard down our necks.)
Side question: what is your interest in this? If, say, you are a web designer who does work for local clients, and you can tone down the hype that constituted about 80% of your submitted description for this site
and you're willing to list your local competitors' work as quickly as your own newly developed sites -- and willing to not list even your own sites that don't belong in the local category ... you might consider applying to edit that local category.
It's not for everybody; many people have trouble dealing with the conflicts of interest. You probably would need to not tell your clients that you are an editor, to avoid getting pressured to hype-keyword-stuff their descriptions. You'd need to let other editors (or the metas) know which sites you had connections to: full disclosure removes temptation as well as the appearance of abuse. It is a bit of a tightrope walk, but some people do manage it successfully. And when they do, it's a win for everyone involved: the town, the ODP, their clients.