[URGENT] Microphone under 1k

I am looking to purchase a microphone to simply to record vocal sounds from my laptop (3.5mm jack). And a software that should be simple to use and record in .wav or .mp3 format
I took a look on PHILIPS SBCMD110 and PANASONIC RP-VK21. Don't know which one is better. Suggest me the best. Thank you.