The cost have been increasing in the last few weeks, fortunately the everything has been relatively cheap.
Touchpad - $108
Griffen Folio Case $5
Griffin Folio - Black Leather | Verizon Wireless
HP Touchstone - $41.99
HP Wireless Keyboard - $33.74
amCase Ultra-sensitive Capacitive Stylus -$8.95 (For Moms Touchpad)
Amazon.com: amCase (TM) Ultra-sensitive Capacitive Stylus for Apple iPad, ipad 2, iphone, ipod, Xoom (NEWEST MODEL): Cell Phones & Accessories
Acase(TM) HP TouchPad Screen Protector -$$16.95
Amazon.com: Acase(TM) HP TouchPad AcaseView Screen Protector Film Clear (Invisible) for HP TouchPad Wifi / 3G Model 16GB, 32GB (3-Pack): Cell Phones & Accessories
Bout $107 in accessories... not bad at all.