The printing I get when using my Palm and Canon BJC-85 isn't letter quality. But the Canon BJC line of printers are the smallest, most portable letter-size printers available today. And being able to -- work on -- and print MS Word presentations and proposals from my Palm while on the road is extremely convenient.
(The above software combination, incidentally, will enable you to also print to other IR capable printers such as desktop models from HP and portable A6 paper-size units from Sipix.)
The BJC-85 also provides the option of swapping out the color cartridge -- and replacing it with a much larger black cartridge -- which is very helpful, especially since the ink capacity on this printer is quite limited.
(As a watch-out: be sure to aim your Palm at the Canon BJC-85's IR port from at least seven inches away, otherwise the connection won't be made. I learned this after e-mailing someone at Docs To Print, who was most helpful.)
Being able to print letter-size documents on the road directly from my Palm is another good reason to leave my heavy laptop computer -- at home -- where it belongs!