I would have answered yes as well: I regret buying the 3DS.
It's not that it's a bad piece of hardware. On the contrary, it's better than the DS it replaced in every way but the removed GBA cartridge slot, but there simply hasn't been much of a reason in terms of games to buy one in the first year for me personally.
It was fun, as is any new gadget one buys, but after playing around with the low res 3D camera and the rest of the pre-installed software, it boiled back down to games. SFIV and RE: Mercenaries was it; I had no interest in buying other games available simply because I felt obligated to play more games on my $250 portable.
And yes; the price drop irked me, even with the freebies Nintendo gave away as a consolation prize, which were available to anyone who bought a 3DS in the weeks just prior to the price drop and were still able to get a refund on the price difference from the retail outlet they bought it from.
And no; while appreciated, given a choice between the 20 games and $80; I'd take the $80. There wasn't a single game in the bundle I would have bought, even for $5. I still have my Metroid Fusion GBA cartridge that I can play on my old DS if I ever feel like playing that game again.
Regardless of the price drop, even today at $170, I wouldn't buy one. Since there's no problem with supply, you can pretty much pick one up whenever, which to me means that if and when there's a game on the 3DS that I'd actually want to buy (as opposed to buying games for a system just because it's new and you paid for it), I could pick up a 3DS at the same time
RE: Revelations could be the first exclusive, but at this point I'm not even sure whether I want to play it upon release enough to warrant the $50 price for a portable game anymore.