I disagree, however Apple put some significant limits on what the Settings App will report so you only connect to stronger hotspots. You can remove that limit with this tweak...Windows has far better wireless scanner software.
WiFi Booster - Paid Tweak
Look at our new themes section - iPad Themes - Apple iPad ForumAs for the themes, there seems to be tons of them, and every single one I have tried has did nothing.
You need to remember that jailbreaking has been happening for 4 years now and the vast majority of stuff is designed for iPhone, not iPad...
Hope that helps.