check out this website: TalkBass Forums
they'll help you out a lot with your decision. its a lot more populated there than here, so you'll get your answer quick.

i went to guitar center and tried some of them out yesterday

how many strings? Have you tried any out yet? Thats seriously what it boils down to. whatever feels comfortable to you. good luck. here are some i checked out before i got my sg: Squier by Fender Vintage Modified Precision Bass and more 4 String Electric Bass at GuitarCenter.com.
Squier by Fender Vintage Modified '70s Jazz Bass and more 4 String Electric Bass at GuitarCenter.com.
ESP F-104 Electric Bass and more 4 String Electric Bass at GuitarCenter.com.
Epiphone Thunderbird IV Bass and more 4 String Electric Bass at GuitarCenter.com.

$300 or lower

hey, i see your lookin for a new bass. How much you lookin to spend?

Happy Easter!!

nice you tube vids

Nice bass bro! you looked very confident and you felt the music too, like tapping your foot. Yo got me tappin mine. Check out my videos if you want: YouTube - mrbass02's Channel More to come hopefully! Keep Bassin'!

me and jonesy playing a bass walk

me and jonesy playing a bass walk