yeh if you like modding go with a jtag i want a jtag to test out patches and stuff without having to waste discs

Jtag for the win

Catnip wrote JTAG, Dazzles aren't that good, unless you know the perfect settings. If you have enough money for a JTAG, then you should have enough for a Hauppauge HD PVR, there about $200 and come with everything you need. Check em out in the following link.
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But it also depends on what you like doing, mods or recording and making montages, and also it is best to know some things about a JTAG before you buy one, otherwise you would get it and be completely clueless on what to do, but I guess you could learn. (:

Im +repping you, mainly because its the only helpful answer i got.