Ive heard this is a good buy.
http://www.telescopes.net/celestron_nexstar_11_gps.html
About 3000$ - was double that when first came out.
700x Magnification I believe.
If youre getting a telescope - I hear that you need to look at 11inch lenses to see the planets as anything other than a blur - dunno tho - that nexstar is mine in a month or so.