These sound remarkably like the cheap Chinese tablets you can find on DealExtreme. I was wondering when a big brand was going to start slapping their name on them.
The $100 price-point is actually a bit of a deal, since that's basically what that 'tier' (The quad cores and 1024 displays) costs from DealExtreme, but I presume you're getting HP warranty and support with these. So not bad!
I bought four different 7-inch tablets in their $65-$80 price range during a half-off sale last May. My favorite is the ICOO ICOU7W.
800x600 screen, the 4:3 aspect being one of my favorite features, because I use it primarily for reading.
1.0GHz Allwinner A13 (Single core)
512mb of RAM
Mali-400 GPU @ 350MHz
8gb of internal storage, plus a microSD slot. (They all have microSD slots)
Android 4.0.4 (I could probably update it, but haven't felt the need.)
3000mAh battery, 2A DC fast-charge jack*
On sale, I paid a whopping $36.45 for it. ;)
Only bad things I can say about it are no OTG on the USB port, and no bluetooth...but mostly it's the missing OTG that's a letdown. There's also no GPS which is a little bit of a bummer. Only one of the tablets I bought had GPS; the Erani E70. For some absurd reason, the MK808 'Android TV' stick I bought for $25 also had GPS. (I mean, really?!)
*It's funny, because under full load-- playing HD video, screen brightness up all the way, using the wifi, etc. --normal USB can't actually charge faster than you're discharging... So the 2-amp DC jack is handy for when you're using it in bed or something. I have no idea if the USB port is capable of fast-charging from fast-charge capable ports... I haven't tried it, but I just got a 10,400mAh portable USB battery from Jackery... If it can't, I'll have to make a USB to DC jack, so I can fast-charge through the DC jack using the 2-amp output USB port on the Jackery battery.