Every decent rock concert features a support band whose role to warm you up before the main gig or, alternatively, give you time to buy a beer and chat up a blonde. The support band at the Higgs concert -- the Tevatron from Fermilab, Illinois -- is worth giving an ear to because it offers slightly different qualities than the star of the evening.
The Tevatron collider has been shot down last September so the amount of data has not increased since the last Higgs update at the Moriond conference in March. Nevertheless, the collaborations are still able to make adiabatic improvements in the analysis, especially now when they know where the Higgs is. At Moriond, the Higgs-like excess was observed mostly in the b-bbar final state by the CDF collaboration; what changed today is that D0 observes a (somewhat smaller) excess in the same channel, making the claim more credible. All in all, the combined (local) significance of the Higgs excess at the Tevatron reaches the maximum of 3 sigma for mh=120 GeV, although it's more like 2.7 sigma at the true value of mh=125 GeV.
However, there is an aspect of the data presented today that is more interesting than the sigma pissing contest. The Tevatron experiments are most sensitive to the Higgs boson decaying into a pair of b-quarks and produced in association with a W or Z boson. What they're testing is thus the Higgs couplings to electroweak gauge bosons and to b-quarks, both of which are central to establishing the higgsy nature of the newly discovered particle. In particular, the Tevatron data are suggesting that the particle indeed decays frequently into b-quarks (which, according to the Standard Model, should happen about 60% of the times). Thus, the Tevatron provides an important piece of the puzzle that, at the moment, is not available from the LHC. Actually, the rate observed in the VH→bb channel is 2±0.7 larger than predicted by the Standard Model, adding up to other intriguing hints of a non-standard Higgs behavior.
By the end of the year the LHC experiments should reach a comparable sensitivity in the same channel, clarifying whether the Tevatron excess was the real thing, or a classic look-here effect...