newbie with a few lighting questions

im planning to use 2, 48 watt cfl bulbs (6700k 2000ish lumens each) for vegging. do you this will work for a few plants. 1-3 then i want to switch to hps bulb after. but im having trouble. i dont know anything about hps. lowes sells hps light fixtures for 70 - 90 bucks. no idea witch to buy. should i grab one of those? i seen the bulbs separately but not sure how to put together a fixture

you guys using the hps set ups. what does your look like?
 
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