There are numerous options available. It really depends on what you prefer, what it is you are looking for and style of music. The most obvious is the 594 as you mentioned and I personally love the 58/15 LT's. They are certainly more vintage voiced but also have great clarity too that don't get overly muddy with gain. The 594 comes in both single and double cut as well as choices to have a solid, semi-hollow or hollow body as well so plenty of options.
The 58/15 LT PU's are also on the Hollowbody ii which also adds a Piezo which can blended in or even sent separately to an Acoustic Amp or PA whilst sending the Magnetics to a guitar amp. It certainly handles gain well too - much better than the Plywood hollowbody guitars like the 335 for example - so could be an option for something different.
There is also the original McCarty (not the McCarty 594) which also has the fixed wrap around bridge. This is a thicker body, like the 594 and DGT and, as you have a DGT, would be the guitar that Dave Grissom used before he tweaked one to get his Signature model. It maybe the closest guitar to what you have with the DGT but with a wrap around fixed bridge.
I notice some one mentioned the P22 but the current P22 and P24 for that matter look like they come with the trem bridge - at least the new models so you may have to look to the used market. As you have the CE models of both the 22 and 24 fret guitars, these maybe different enough to warrant purchasing but similar enough too. Another option could be a P245 as well but PRS don't make these anymore but you may find one somewhere.
The only other that's currently part of the core line is Paul's guitar. I believe the 408 comes with a trem so the Paul's the only speciality and Signature model that comes with the wrap-around as standard. The new ones come with the TCI pick-ups which are supposed to be the most authentic SC sounds with little/no drop in volume.
Of course all of these are different and as such, it really does depend on what you are looking for. There could be some S2 options that may well be better for you - especially if you want a no frills workhorse. Both the Vela and the S2 Singlecut offer a fixed bridge and you may find these offer all you want/need from a fixed bridge guitar at a much lower cost point.
