If you check out this thread
http://www.iceinspace.com.au/forum/s...ad.php?t=20064
on how many scopes IIS members have, you'll see that many have more than one. One of the reasons for this is that there is no one type of scope that does everything well. I find my 8" Dob gives me pretty good views of the planets and deep sky objects, although more aperture would always be nice. I also have a small 90mm refractor for low-power, wide-angle viewing, and for times when portability is important.
Morton