There are good ones and bad ones, there seems to be a lack of quality control as mentioned earlier. I, my father, and my brother have the 20 gauge pardner with rifled barrel. Two of them can clover leaf at one hundred yards off a rest (not all day though, darn things really start thumping on you), and the third is not far behind. My brothers 357 handi will shoot 2.5 inch groups at 100 off rests. The list of decent shooters goes on. The 45-70 my dad had ran 5-8 inch groups at first. A call to h&r and a barrel swap later and it runs 1.5 to 2.5 with the right round in the chamber depending on how I was shooting.
My 7-08 however, wouldn't even stay on a target at 100 yards. about 150 rounds later and ten different factory ammos, along with some tinkering didn't fix anything. And I didn't have the receipt for that one so I'm stuck. But, i got it for cheap and 100 bucks will get me a new barrel fitted to it that is under warranty. So I imagine once it ships out and comes back with its new 223 barrel clad in iron sights, I'll probably be content all over again.
It is worth noting not that long ago they were actually cheap guns, and with the warranty were actually worth buying for a budget gun. Since then the single shot and cheapy h&r guns got popular and the prices sky rocketed to the point I wouldn't get a new one unless the shop was running a darn good sale.
It is also worth nothing that while some of you think a two inch group at 100 yards is unacceptable (and for plenty of good reasons), almost 100% of what I shoot at is within 100 yards, so its all I need and has never done me wrong. If I'm shooting further I get a different gun. Its all a matter of perspectives, needs, and standards.
Edit: Sorry guys, late night browsing and not paying attention, didnt mean to bring it back from the dead. Also, the 20 gauge pardners were shooting that at 50 not one hundred, double my bad.