Does anyone else have a view on how new F-16s might be configured?
As was already mentioned, there is no indication that the US government is contemplating the sale of AESA radar equiped, Block 60 F-16's to Taiwan. The aircraft that would be offered would likely be Block 52+ aircraft similar to the order for 24 such fighters placed by Morocco.
Greece is similarly taking delivery this year for its follow-on order of 30 Block 52+ aircraft:
And of course, Pakistan has its own order in queue for 18 Block 52+ aircraft.
These aircraft are all capable of accepting conformal saddle tanks to extend their range. Radar units would be APG-68(V)9. EW warfare suites are usually custom to each air force.
As for whether Taiwan would be offered the fuel tanks to go with the aircraft, as several forum members have pointed out, this maybe a bone of contention. Given that "everyone else has them", and the expanded capabilities of the PLAAF (between the J-10 and J-11), Taiwan could still make a case that it needs the added capability to maintain a balance of power. Taiwan is also not expected to be offered the F-35 at any point in the foreseeable future. Another reason that they might argue for as many extra's as possible to go with their F-16's.
Given the state of the US economy, this sale is as much about preserving US jobs as it is about fulfilling obligations to Taiwan. If Taiwan ever wants to make this sale happen, the time is now.