Useful English-Japanese Handheld Dictionaries?

srothroc asks: "I've been interested in finding one of these, but I'm not too sure where to start looking. I've been around the block talking to students and my professor - most people either don't need one for some reason or the other or only use paper dictionaries. Online searches have been fruitless as well, so I turn to you, Slashdot. The ideal dictionary would be able to take hiragana/katakana input and give output in English, hiragana, katakana, and/or kanji. A lot of the ones that I've seen take English (romaji) input and spit out the same - not something I'd need. I would prefer options that wouldn't bust my wallet, as Christmas season is coming around. Any ideas, folks?"