blockexplorer.com has no transaction info too..

I experienced the same problem a few times.
U have 2 options:
- relaunch client with -rescan (voodoo magic, sometimes works)
- wait for 24 hours, the transaction should appear in the blockchain or funds will come back.
If the transaction hasn't been broadcasted or was blocked by other peers, which looks to be the case, none of this will work. Your best bet is contacting btcguild and see what's up.