I know there are several threads about smart cover compatible cases, but I thought It would be helpful if we had an actual list/matrix. Below I break them up into material and list details and availability. Prices are MSRP, cheaper prices may be available at third party vendors. Hard Shell (polycarbonate, etc.): XGear Smart Cover Enhancer http://www.xgearlive.com/products/n...snap-case-for-apple-ipad-2-shipping-late-week Colors - Black, Clear Price - $34.99 Available Now Joy Factory SmartFit2 http://www.thejoyfactory.com/products/protection/smartfit2-41.html Colors - Clear, Smoke Price - $29.95 Available Now Marware Microshell http://www.marware.com/ipad-cases-and-covers/ipad-2-covers/microshell-ipad-2-case Colors - Black, White, Pink, Silver Red Price - $39.99 Available Now *Black version only Enki Genius http://www.enkigear.com/ Colors - Clear, Smoke, Blue, Pink Price - $29.99 Pre-order, Available 5/2 Aviiq Smart Case http://aviiq.com/products/case-stands/smart-case/ Colors - Black, Gray, Light Blue, Green, Orange, Pink, Red Price - $49.99 Pre-Order Coveroo Customer iPad 2 Case http://www.coveroo.com/custom#/ipadcases/cc-ipad2injectedcasemleft,black/p-art Price - Starts at $29.99 Color - Varies Pre-order Incipio Smart Feather http://www.myincipio.com/iPad-2-Smart-feather-Ultralight-Hard-Shell-Case/ Price - Unknown Colors - Unknown Available in May Speck Smart Shell *Not listed on manufacturer's site* http://www.gleemobile.com/ipad/ipad-2g/cases/hard-cases/speck-ipad-2-smartshell-case-5-colors.html Colors - Black, Light Blue, Green, Orange, Pink Price - $29.99 *from third-part vendor Available Now *claim from third-party vendor Belkin Snap Shield http://www.belkin.com/uk/IWCatProductPage.process?Product_Id=544455 Colors - Unknown Price - Unknown *Has been found at Best Buy (not listed on their site) for $39.99 Availability Unknown Simplism Smart BACK Cover http://www.simplism.jp/en/products/ipad/smart_back_cover/index.html Colors - Clear, Black, White Price - $25 *iLounge states $25, but price not listed on Simplism's site. Availability Unknown Switheasy CoverBuddy http://www.switcheasy.com/products/CoverBuddy/# Colors - Black, Clear, Gray, Blue, Pink Price - $24.99 Available Now iFrogz BackBone http://ifrogz.com/product/IPAD2-BAK Price - $34.99 Colors - All Smart Cover colors, plus White and Clear. Availability Unknown Soft Shell (TPU, Silicone, etc.): Boxwave Smart Sleeve http://www.boxwave.com/products/smartsleeve/apple-ipad-2-smart-sleeve_4284.htm Colors - All Smart Cover colors Price - $29.95 Available Now (black, gray only). Other colors available 4/29 (Now Shipping!) Maclove Jumper http://www.macloveworld.com/En/products.php?104&cPath=68 Colors - All Smart Cover colors Price - $39.00 Available Now iLuv Smart Back Cover http://www.i-luv.com/product_detail...he Smart Back Cover&category_cd=t44&cat_lev=1 http://www.mobilecityonline.com/wireless/store/productdetail.asp?productid=27919 Colors - All Smart Cover Colors Price - TBD, but third party site lists $19.99 Availability TBD XGear Flexible Shield http://www.xgearlive.com/products/new-products/xcase-flexible-shield-for-apple-ipad-2-pre-order-shipping-april-29th Colors - Black, Red, Blue, Orange, Frost, Green Price - $19.99 Available 4/29 Other Shell: Pielframa iMagnum http://www.pielframa.com/ipad-2-imagnum-tan-cases.htm Colors - All Smart Cover Colors Price - $129 USD Available Now, but 15 day delivery time. Happy Owl Studio Leather Shell & Shell http://store.happyowlstudio.com/pages/sneak-peak Colors - TBD, but probably All Smart Cover colors Price - TBD Availablity Unknown Melko Leather Snap Cover http://www.melkco.com/scripts/main/viewitem-APIPA2LOLT1BKLC-IPA2.html Colors - Black, Red, Blue Carbon Fiber Price - $59 Pre-Order SGP Griff for iPad 2 http://www.sgpstore.com/tablets/apple/ipad-2/sgp-ipad-2-leather-case-griff-series.html Colors - White, Black, Lime, Dante Red, Solaris Orange, Sherbet Pink, Tender Blue, Vintage Brown. Price - $49.99 Available Now *Red, Blue, and Brown only. No details on the other colors. I'm sure there are others I'm either missing or will be announced soon. If you find something, please post it here and I can update the list. Also, I did not list the eBay TPU and shells since they have been mentioned here before, and I don't want to promote any one seller.