Whilst I am 100% committed to open access publication to optimise research dissemination, I have a word of caution about selecting open access journals.
Beware of predatory journals springing up everyday offering great reductions in fees.
Many have been exposed and you can google search for lists of those to avoid.
HIFA profile: Marlene Sinclair is a researcher with an interest in mobile telephony, based at the University of Ulster, Northern Ireland. M.Sinclair1 AT ulster.ac.uk