What you say has got the following implications:
1. The A701 is a windows CE based phone/pda, so this should work with IE
2. The linux based devices are probably out,
since they very often use opera
What about a client application for the Nokia 770 ??
all their software is here
http://www.maemo.org/
(and it appears to get some real momentum)
Really suprised you appear to leave out one of the major handset manufacturers,
or am I missing something