Dear Mr Owens,
a. Secondly, which software should the CD-ROMs be able to work with?
b. Would it be possible for you to get back to me on these questions?
c. Firstly, could you tell me if a specification document is available?
d. Thank you for your message about outsourcing your CD-ROM development.
e. This is definitely a project that we would be interested in.
f. I hope to hear from soon.
g. However, we would like to have some more details, before confirming whether we could go ahead.