DoninVa... I think that when it comes to choke tubes its really a case of trial and error. You may get a great pattern with the chokes you already have. You just need to shoot several different loads to find which one works best for your gun... as every gun is and WILL shoot loads differently! I happen to have two Remington 870's that shoot totally different. One of them shoots best with with an Undertaker choke and the other shoots great with a Primos jellyhead choke. Yet when I tried to switch the chokes between the two, they were terrible. Now when I say terrible, I mean that they would have worked but it was not as tight a pattern as I like! So, I know that doesn't help a whole lot about the choices out there but like I said it is mostly trial and error!
Although I have heard some great things about the Indian Creek choke tubes. So if I had to pick one tube, then I would say pick one that is in your price range(depends on what you want to spend or can afford) and just shoot as many different loads( i.e. Federal, Winchester; 2 3/4 thru 3 1/2 inch; #4's,#5's,#6's) as you can til you get the pattern that you want. At least you have some time to work it out before the season starts! Good luck this year and stay safe!
By the way, where abouts is Penhook? I live in Chesapeake.