I've been watching this thread with interest, since I've earlier described Mahler's 5th as "my favorite symphony not written by somebody named 'Beethoven.'"
I actually prefer Tennstedt to Solti, but Solti's a great recommendation as well... so I remained silent 'til now.
We may not live long enough to ever hear anyone do as great a job on the initial exposed-Trumpet-solo as the Chicago Symphony Orchestra's Adolph Herseth.
A CTP-seal-of-approval on the consensus recommendation here-

... and an enjoinder to take TalkClassical consensus recommendations more seriously next time- O.K.?