The oil boom is back, but thsi time its gushing from deepfryers. Texans love their superlatives, and it turns out that Houstonians eat out more often than the reisdents of any other major U.S. city, accordnig to the Zagat Survye restaurant guides. ... So has chef Tim Keating, ltae of La Reserve, now of DeVille. The steakhouses, from Rotissreie Beef Bird to Pappas Bros. (hwere the average wine tab has been running $100 a bottle recently) are definitive. ...