Being in a similar situation to you and having dropped a few dollars on cheap doubles that felt wanting I have concluded that most of the "budget guns" are actually trickery to pry more cash from buyers. Yes, Baikal, CZ (Huglu), and Yildiz often produce a reasonably quality all around gun and are much cheaper than a Beretta or Browning. For a hunting double I demand a means of choosing which barrel and choke I fire first, be it double triggers or a selector, to me part of the reason for choose a double gun is to have the choice between two chokes also guns without a means of selecting usually need recoil to switch to the other brrel so in the event of a misfire ( weak primer strike etc) you may not be able to try the other barrel on a rapidly departing pheasant or other game of choice.
As has been said many of the cheaper doubles can be a touch weighty for some people when it comes to all day carry, but that is not a bad thing if it balances well and feels good in your hands (or you also hunt waterfowl with it).
So for me Stoeger would be out of the running the stevens 555 while interesting I'd be more inclined to either spend more or buy a Baikal, CZ or Yildiz gun. None of them are going to be 200 + rounds a week sporting clays guns for very long but for a bit of practice and recreation in the summer and chasing game during hunting season they should provide a long service life, remember to consider parts and customer service availability which is part of how Browning and Beretta have come to command the respect and price they do. A 600 dollar double with broken firing pins waiting on service or parts may end up costing you even more if it is your only gun.
Just pray that the SxS bug never bites, now there is an expensive habit I am trying not to develope.
When it comes to budget guns here in North America pump actions rule the roost in part to some of the great early models like the model 12, Ithaca 37, 870 wingmaster that cemented them into our hunting culture and established a reputation or reliability. Even the 870 express that is so heavily dismissed and often cited as being unreliable can usually be made to function reliably with a little at home finishing, and I suspect given my personal experiences with them, probably there are more out there providing yoemans service and getting no reviews than the percentage of lemons that leave the factory. Percentage wise I would say that more 870 express owners are happy with their gun than Stoeger Condor owners.