Adam, you might like to add this K-r FAQ to the page from Pentax JP.
Currently it is only in Japanese:
K-r?????????????PENTAX
But Google translate does a good job on it:
Google Translate
Eventually a full English version might turn up elsewhere on the web too.
Interesting FAQ items:
Quote: Q: What is the main difference between [the K-r and] K-x:
A: Featuring a wide viewing angle type superimpose red light AF Point (170 °) 3.0-inch size, number of pixels around a dedicated rechargeable lithium 92.1 million-dot picture monitor as well as D-LI109, optional AA Battery Holder D-BH109 commercial AA lithium batteries that use AA NiMH batteries, custom image reversal film available AA alkaline batteries, added a silver interval can shoot video editing (split, delete unwanted part) Add AF fine adjustment (only adjusted flat rate) can be infrared (IrSimple / IrSS) corresponds to a single AF mode AF (AF.S) at Focus Shutter priority priority switching, continuous AF (AF.C) Add a priority focus switched preference Sometimes fps
Quote: Tested SD (SDHC) memory card what do you have?
Card has been tested for the following manufacturers.
Panasonic - Toshiba SanDisk products
SD Memory Card Capacity: 512MB, 1GB, 2GB
SDHC Memory Card Capacity: 4GB, 8GB, 16GB, 32GB
※ As of August 2010 "Testing" and we check our work, which should guarantee for our customers which have a favor to you.
The movie ※ The class (6), class (10) Fast transfer rate SD (SDHC) memory card please use.
Class (6) of SD (SDHC) memory cards by the shooting conditions and subjects slowest write 6MB/sec Because that data capacity and above, even if you are using the cards tested, while shooting You may stop by.
Quote: CR-V3 lithium batteries be used?
Available.
It also looks like long-exposure noise reduction (DFS?) can be turned off too:
Quote: Are there any noise reduction at the second head, and set off can I?
There. To set off the "shoot two" menus "long sec NR" in the "OFF" to.
Tethering may not work on the K-r:
Quote: Camera control software, PENTAX REMOTE Assistant 3 be used?
Kr the PENTAX REMOTE Assistant is not supported 3.
Kr was used in the case, please do not use because it may cause problems to the camera.
etc